438 lines
14 KiB
LLVM
438 lines
14 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals --version 2
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; RUN: opt -passes=gvn -S < %s | FileCheck %s
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declare void @use.ptr(ptr) memory(none)
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declare void @use.i64(i64) memory(none)
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declare void @use.i32(i32) memory(none)
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define i32 @test1(ptr %p) {
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; CHECK-LABEL: define i32 @test1
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; CHECK-SAME: (ptr [[P:%.*]]) {
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; CHECK-NEXT: [[A:%.*]] = load i32, ptr [[P]], align 4, !range [[RNG0:![0-9]+]]
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; CHECK-NEXT: [[C:%.*]] = add i32 [[A]], [[A]]
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; CHECK-NEXT: ret i32 [[C]]
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;
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%a = load i32, ptr %p, !range !0
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%b = load i32, ptr %p, !range !0
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%c = add i32 %a, %b
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ret i32 %c
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}
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define i32 @test2(ptr %p) {
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; CHECK-LABEL: define i32 @test2
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; CHECK-SAME: (ptr [[P:%.*]]) {
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; CHECK-NEXT: [[A:%.*]] = load i32, ptr [[P]], align 4
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; CHECK-NEXT: [[C:%.*]] = add i32 [[A]], [[A]]
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; CHECK-NEXT: ret i32 [[C]]
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;
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%a = load i32, ptr %p, !range !0
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%b = load i32, ptr %p
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%c = add i32 %a, %b
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ret i32 %c
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}
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define i32 @test3(ptr %p) {
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; CHECK-LABEL: define i32 @test3
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; CHECK-SAME: (ptr [[P:%.*]]) {
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; CHECK-NEXT: [[A:%.*]] = load i32, ptr [[P]], align 4, !range [[RNG1:![0-9]+]]
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; CHECK-NEXT: [[C:%.*]] = add i32 [[A]], [[A]]
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; CHECK-NEXT: ret i32 [[C]]
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;
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%a = load i32, ptr %p, !range !0
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%b = load i32, ptr %p, !range !1
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%c = add i32 %a, %b
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ret i32 %c
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}
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define i32 @test4(ptr %p) {
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; CHECK-LABEL: define i32 @test4
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; CHECK-SAME: (ptr [[P:%.*]]) {
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; CHECK-NEXT: [[A:%.*]] = load i32, ptr [[P]], align 4, !range [[RNG2:![0-9]+]]
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; CHECK-NEXT: [[C:%.*]] = add i32 [[A]], [[A]]
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; CHECK-NEXT: ret i32 [[C]]
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;
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%a = load i32, ptr %p, !range !0
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%b = load i32, ptr %p, !range !2
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%c = add i32 %a, %b
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ret i32 %c
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}
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define i32 @test5(ptr %p) {
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; CHECK-LABEL: define i32 @test5
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; CHECK-SAME: (ptr [[P:%.*]]) {
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; CHECK-NEXT: [[A:%.*]] = load i32, ptr [[P]], align 4, !range [[RNG3:![0-9]+]]
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; CHECK-NEXT: [[C:%.*]] = add i32 [[A]], [[A]]
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; CHECK-NEXT: ret i32 [[C]]
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;
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%a = load i32, ptr %p, !range !3
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%b = load i32, ptr %p, !range !4
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%c = add i32 %a, %b
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ret i32 %c
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}
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define i32 @test6(ptr %p) {
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; CHECK-LABEL: define i32 @test6
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; CHECK-SAME: (ptr [[P:%.*]]) {
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; CHECK-NEXT: [[A:%.*]] = load i32, ptr [[P]], align 4, !range [[RNG4:![0-9]+]]
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; CHECK-NEXT: [[C:%.*]] = add i32 [[A]], [[A]]
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; CHECK-NEXT: ret i32 [[C]]
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;
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%a = load i32, ptr %p, !range !5
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%b = load i32, ptr %p, !range !6
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%c = add i32 %a, %b
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ret i32 %c
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}
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define i32 @test7(ptr %p) {
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; CHECK-LABEL: define i32 @test7
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; CHECK-SAME: (ptr [[P:%.*]]) {
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; CHECK-NEXT: [[A:%.*]] = load i32, ptr [[P]], align 4, !range [[RNG5:![0-9]+]]
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; CHECK-NEXT: [[C:%.*]] = add i32 [[A]], [[A]]
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; CHECK-NEXT: ret i32 [[C]]
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;
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%a = load i32, ptr %p, !range !7
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%b = load i32, ptr %p, !range !8
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%c = add i32 %a, %b
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ret i32 %c
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}
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define i32 @test8(ptr %p) {
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; CHECK-LABEL: define i32 @test8
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; CHECK-SAME: (ptr [[P:%.*]]) {
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; CHECK-NEXT: [[A:%.*]] = load i32, ptr [[P]], align 4
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; CHECK-NEXT: [[C:%.*]] = add i32 [[A]], [[A]]
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; CHECK-NEXT: ret i32 [[C]]
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;
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%a = load i32, ptr %p, !range !9
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%b = load i32, ptr %p, !range !10
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%c = add i32 %a, %b
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ret i32 %c
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}
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define i32 @load_noundef_load(ptr %p) {
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; CHECK-LABEL: define i32 @load_noundef_load
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; CHECK-SAME: (ptr [[P:%.*]]) {
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; CHECK-NEXT: [[A:%.*]] = load i32, ptr [[P]], align 4, !range [[RNG0]], !noundef !6
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; CHECK-NEXT: [[C:%.*]] = add i32 [[A]], [[A]]
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; CHECK-NEXT: ret i32 [[C]]
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;
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%a = load i32, ptr %p, !range !0, !noundef !11
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%b = load i32, ptr %p, !range !1
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%c = add i32 %a, %b
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ret i32 %c
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}
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define i32 @load_load_noundef(ptr %p) {
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; CHECK-LABEL: define i32 @load_load_noundef
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; CHECK-SAME: (ptr [[P:%.*]]) {
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; CHECK-NEXT: [[A:%.*]] = load i32, ptr [[P]], align 4, !range [[RNG1]]
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; CHECK-NEXT: [[C:%.*]] = add i32 [[A]], [[A]]
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; CHECK-NEXT: ret i32 [[C]]
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;
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%a = load i32, ptr %p, !range !0
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%b = load i32, ptr %p, !range !1, !noundef !11
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%c = add i32 %a, %b
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ret i32 %c
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}
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define void @load_dereferenceable_dominating(ptr %p) {
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; CHECK-LABEL: define void @load_dereferenceable_dominating
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; CHECK-SAME: (ptr [[P:%.*]]) {
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; CHECK-NEXT: [[A:%.*]] = load ptr, ptr [[P]], align 8, !dereferenceable !7
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; CHECK-NEXT: call void @use.ptr(ptr [[A]])
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; CHECK-NEXT: call void @use.ptr(ptr [[A]])
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; CHECK-NEXT: ret void
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;
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%a = load ptr, ptr %p, !dereferenceable !{i64 10}
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%b = load ptr, ptr %p
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call void @use.ptr(ptr %a)
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call void @use.ptr(ptr %b)
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ret void
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}
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define void @load_dereferenceable_not_dominating(ptr %p) {
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; CHECK-LABEL: define void @load_dereferenceable_not_dominating
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; CHECK-SAME: (ptr [[P:%.*]]) {
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; CHECK-NEXT: [[A:%.*]] = load ptr, ptr [[P]], align 8
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; CHECK-NEXT: call void @use.ptr(ptr [[A]])
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; CHECK-NEXT: call void @use.ptr(ptr [[A]])
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; CHECK-NEXT: ret void
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;
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%a = load ptr, ptr %p
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%b = load ptr, ptr %p, !dereferenceable !{i64 10}
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call void @use.ptr(ptr %a)
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call void @use.ptr(ptr %b)
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ret void
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}
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define void @load_ptr_nonnull_to_i64(ptr %p) {
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; CHECK-LABEL: define void @load_ptr_nonnull_to_i64
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; CHECK-SAME: (ptr [[P:%.*]]) {
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; CHECK-NEXT: [[VAL:%.*]] = load ptr, ptr [[P]], align 8
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; CHECK-NEXT: [[VAL_INT:%.*]] = ptrtoint ptr [[VAL]] to i64
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; CHECK-NEXT: call void @use.i64(i64 [[VAL_INT]])
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; CHECK-NEXT: call void @use.i64(i64 [[VAL_INT]])
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; CHECK-NEXT: ret void
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;
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%val = load ptr, ptr %p, align 8, !nonnull !{}
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%val.int = ptrtoint ptr %val to i64
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%val2 = load i64, ptr %p, align 8
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call void @use.i64(i64 %val.int)
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call void @use.i64(i64 %val2)
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ret void
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}
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define void @load_ptr_nonnull_noundef_to_i64(ptr %p) {
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; CHECK-LABEL: define void @load_ptr_nonnull_noundef_to_i64
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; CHECK-SAME: (ptr [[P:%.*]]) {
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; CHECK-NEXT: [[VAL:%.*]] = load ptr, ptr [[P]], align 8, !nonnull !6, !noundef !6
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; CHECK-NEXT: [[VAL_INT:%.*]] = ptrtoint ptr [[VAL]] to i64
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; CHECK-NEXT: call void @use.i64(i64 [[VAL_INT]])
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; CHECK-NEXT: call void @use.i64(i64 [[VAL_INT]])
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; CHECK-NEXT: ret void
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;
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%val = load ptr, ptr %p, align 8, !nonnull !{}, !noundef !{}
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%val.int = ptrtoint ptr %val to i64
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%val2 = load i64, ptr %p, align 8
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call void @use.i64(i64 %val.int)
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call void @use.i64(i64 %val2)
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ret void
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}
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define void @load_ptr_invariant_load_to_i64(ptr %p) {
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; CHECK-LABEL: define void @load_ptr_invariant_load_to_i64
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; CHECK-SAME: (ptr [[P:%.*]]) {
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; CHECK-NEXT: [[VAL:%.*]] = load ptr, ptr [[P]], align 8, !invariant.load !6
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; CHECK-NEXT: [[VAL_INT:%.*]] = ptrtoint ptr [[VAL]] to i64
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; CHECK-NEXT: call void @use.i64(i64 [[VAL_INT]])
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; CHECK-NEXT: call void @use.i64(i64 [[VAL_INT]])
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; CHECK-NEXT: ret void
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;
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%val = load ptr, ptr %p, align 8, !invariant.load !{}
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%val.int = ptrtoint ptr %val to i64
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%val2 = load i64, ptr %p, align 8
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call void @use.i64(i64 %val.int)
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call void @use.i64(i64 %val2)
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ret void
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}
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define void @load_ptr_dereferenceable_to_i64(ptr %p) {
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; CHECK-LABEL: define void @load_ptr_dereferenceable_to_i64
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; CHECK-SAME: (ptr [[P:%.*]]) {
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; CHECK-NEXT: [[VAL:%.*]] = load ptr, ptr [[P]], align 8, !dereferenceable !7
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; CHECK-NEXT: [[VAL_INT:%.*]] = ptrtoint ptr [[VAL]] to i64
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; CHECK-NEXT: call void @use.i64(i64 [[VAL_INT]])
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; CHECK-NEXT: call void @use.i64(i64 [[VAL_INT]])
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; CHECK-NEXT: ret void
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;
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%val = load ptr, ptr %p, align 8, !dereferenceable !{i64 10}
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%val.int = ptrtoint ptr %val to i64
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%val2 = load i64, ptr %p, align 8
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call void @use.i64(i64 %val.int)
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call void @use.i64(i64 %val2)
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ret void
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}
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define void @load_ptr_dereferenceable_or_null_to_i64(ptr %p) {
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; CHECK-LABEL: define void @load_ptr_dereferenceable_or_null_to_i64
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; CHECK-SAME: (ptr [[P:%.*]]) {
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; CHECK-NEXT: [[VAL:%.*]] = load ptr, ptr [[P]], align 8, !dereferenceable_or_null !7
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; CHECK-NEXT: [[VAL_INT:%.*]] = ptrtoint ptr [[VAL]] to i64
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; CHECK-NEXT: call void @use.i64(i64 [[VAL_INT]])
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; CHECK-NEXT: call void @use.i64(i64 [[VAL_INT]])
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; CHECK-NEXT: ret void
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;
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%val = load ptr, ptr %p, align 8, !dereferenceable_or_null !{i64 10}
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%val.int = ptrtoint ptr %val to i64
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%val2 = load i64, ptr %p, align 8
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call void @use.i64(i64 %val.int)
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call void @use.i64(i64 %val2)
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ret void
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}
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define void @load_ptr_nonnull_to_i32(ptr %p) {
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; CHECK-LABEL: define void @load_ptr_nonnull_to_i32
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; CHECK-SAME: (ptr [[P:%.*]]) {
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; CHECK-NEXT: [[VAL:%.*]] = load ptr, ptr [[P]], align 8
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; CHECK-NEXT: [[VAL_INT:%.*]] = ptrtoint ptr [[VAL]] to i64
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; CHECK-NEXT: [[TMP1:%.*]] = trunc i64 [[VAL_INT]] to i32
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; CHECK-NEXT: call void @use.i64(i64 [[VAL_INT]])
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; CHECK-NEXT: call void @use.i32(i32 [[TMP1]])
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; CHECK-NEXT: ret void
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;
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%val = load ptr, ptr %p, align 8, !nonnull !{}
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%val.int = ptrtoint ptr %val to i64
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%val2 = load i32, ptr %p, align 8
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call void @use.i64(i64 %val.int)
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call void @use.i32(i32 %val2)
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ret void
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}
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define void @load_i64_range_to_i32_range(ptr %p) {
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; CHECK-LABEL: define void @load_i64_range_to_i32_range
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; CHECK-SAME: (ptr [[P:%.*]]) {
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; CHECK-NEXT: [[VAL:%.*]] = load i64, ptr [[P]], align 8
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; CHECK-NEXT: [[TMP1:%.*]] = trunc i64 [[VAL]] to i32
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; CHECK-NEXT: call void @use.i64(i64 [[VAL]])
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; CHECK-NEXT: call void @use.i32(i32 [[TMP1]])
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; CHECK-NEXT: ret void
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;
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%val = load i64, ptr %p, align 8, !range !{i64 0, i64 10}
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%val2 = load i32, ptr %p, align 8, !range !{i32 0, i32 10}
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call void @use.i64(i64 %val)
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call void @use.i32(i32 %val2)
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ret void
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}
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define i64 @load_is_stored(ptr %p, ptr %p2) {
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; CHECK-LABEL: define i64 @load_is_stored
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; CHECK-SAME: (ptr [[P:%.*]], ptr [[P2:%.*]]) {
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; CHECK-NEXT: [[V1:%.*]] = load i64, ptr [[P]], align 4, !range [[RNG8:![0-9]+]]
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; CHECK-NEXT: store i64 [[V1]], ptr [[P2]], align 4
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; CHECK-NEXT: ret i64 [[V1]]
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;
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%v1 = load i64, ptr %p, !range !{i64 0, i64 10}
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store i64 %v1, ptr %p2
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%v2 = load i64, ptr %p2
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ret i64 %v2
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}
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define void @non_local_dominating(i1 %c, ptr %p) {
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; CHECK-LABEL: define void @non_local_dominating
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; CHECK-SAME: (i1 [[C:%.*]], ptr [[P:%.*]]) {
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; CHECK-NEXT: [[V1:%.*]] = load i64, ptr [[P]], align 4, !range [[RNG9:![0-9]+]]
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; CHECK-NEXT: br i1 [[C]], label [[IF:%.*]], label [[JOIN:%.*]]
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; CHECK: if:
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; CHECK-NEXT: br label [[JOIN]]
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; CHECK: join:
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; CHECK-NEXT: call void @use.i64(i64 [[V1]])
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; CHECK-NEXT: call void @use.i64(i64 [[V1]])
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; CHECK-NEXT: ret void
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;
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%v1 = load i64, ptr %p, !range !{i64 0, i64 10}
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br i1 %c, label %if, label %join
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if:
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br label %join
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join:
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%v2 = load i64, ptr %p, !range !{i64 20, i64 30}
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call void @use.i64(i64 %v1)
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call void @use.i64(i64 %v2)
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ret void
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}
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define void @non_local_non_dominating(i1 %c, ptr %p) {
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; CHECK-LABEL: define void @non_local_non_dominating
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; CHECK-SAME: (i1 [[C:%.*]], ptr [[P:%.*]]) {
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; CHECK-NEXT: br i1 [[C]], label [[IF:%.*]], label [[ELSE:%.*]]
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; CHECK: if:
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; CHECK-NEXT: [[V1:%.*]] = load i64, ptr [[P]], align 4, !range [[RNG9]]
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; CHECK-NEXT: call void @use.i64(i64 [[V1]])
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; CHECK-NEXT: br label [[JOIN:%.*]]
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; CHECK: else:
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; CHECK-NEXT: [[V2:%.*]] = load i64, ptr [[P]], align 4, !range [[RNG10:![0-9]+]]
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; CHECK-NEXT: call void @use.i64(i64 [[V2]])
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; CHECK-NEXT: br label [[JOIN]]
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; CHECK: join:
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; CHECK-NEXT: [[V3:%.*]] = phi i64 [ [[V2]], [[ELSE]] ], [ [[V1]], [[IF]] ]
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; CHECK-NEXT: call void @use.i64(i64 [[V3]])
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; CHECK-NEXT: ret void
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;
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br i1 %c, label %if, label %else
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if:
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%v1 = load i64, ptr %p, !range !{i64 0, i64 10}
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call void @use.i64(i64 %v1)
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br label %join
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else:
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%v2 = load i64, ptr %p, !range !{i64 10, i64 20}
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call void @use.i64(i64 %v2)
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br label %join
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join:
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%v3 = load i64, ptr %p, !range !{i64 20, i64 30}
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call void @use.i64(i64 %v3)
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ret void
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}
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define void @non_local_coerced(i1 %c, ptr %p) {
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; CHECK-LABEL: define void @non_local_coerced
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; CHECK-SAME: (i1 [[C:%.*]], ptr [[P:%.*]]) {
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; CHECK-NEXT: [[V1_PTR:%.*]] = load ptr, ptr [[P]], align 8
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; CHECK-NEXT: [[V1:%.*]] = ptrtoint ptr [[V1_PTR]] to i64
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; CHECK-NEXT: br i1 [[C]], label [[IF:%.*]], label [[JOIN:%.*]]
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; CHECK: if:
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; CHECK-NEXT: br label [[JOIN]]
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; CHECK: join:
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; CHECK-NEXT: call void @use.i64(i64 [[V1]])
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; CHECK-NEXT: call void @use.i64(i64 [[V1]])
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; CHECK-NEXT: ret void
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;
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%v1.ptr = load ptr, ptr %p, !nonnull !{}
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%v1 = ptrtoint ptr %v1.ptr to i64
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br i1 %c, label %if, label %join
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if:
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br label %join
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join:
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%v2 = load i64, ptr %p, !range !{i64 20, i64 30}
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call void @use.i64(i64 %v1)
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call void @use.i64(i64 %v2)
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ret void
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}
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define void @non_local_pre(i1 %c, ptr %p) {
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; CHECK-LABEL: define void @non_local_pre
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; CHECK-SAME: (i1 [[C:%.*]], ptr [[P:%.*]]) {
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; CHECK-NEXT: [[V2_PRE:%.*]] = load i64, ptr [[P]], align 4, !range [[RNG9]]
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; CHECK-NEXT: br i1 [[C]], label [[IF:%.*]], label [[JOIN:%.*]]
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; CHECK: if:
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; CHECK-NEXT: call void @use.i64(i64 [[V2_PRE]])
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; CHECK-NEXT: br label [[JOIN]]
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; CHECK: join:
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; CHECK-NEXT: call void @use.i64(i64 [[V2_PRE]])
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; CHECK-NEXT: ret void
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|
;
|
|
br i1 %c, label %if, label %join
|
|
|
|
if:
|
|
%v1 = load i64, ptr %p, !range !{i64 0, i64 10}
|
|
call void @use.i64(i64 %v1)
|
|
br label %join
|
|
|
|
join:
|
|
%v2 = load i64, ptr %p, !range !{i64 20, i64 30}
|
|
call void @use.i64(i64 %v2)
|
|
ret void
|
|
}
|
|
|
|
!0 = !{i32 0, i32 2}
|
|
!1 = !{i32 3, i32 5}
|
|
!2 = !{i32 2, i32 5}
|
|
!3 = !{i32 -5, i32 -2}
|
|
!4 = !{i32 1, i32 5}
|
|
!5 = !{i32 10, i32 1}
|
|
!6 = !{i32 12, i32 16}
|
|
!7 = !{i32 1, i32 2, i32 3, i32 4}
|
|
!8 = !{i32 5, i32 1}
|
|
!9 = !{i32 1, i32 5}
|
|
!10 = !{i32 5, i32 1}
|
|
!11 = !{}
|
|
;.
|
|
; CHECK: attributes #[[ATTR0:[0-9]+]] = { memory(none) }
|
|
;.
|
|
; CHECK: [[RNG0]] = !{i32 0, i32 2}
|
|
; CHECK: [[RNG1]] = !{i32 0, i32 2, i32 3, i32 5}
|
|
; CHECK: [[RNG2]] = !{i32 0, i32 5}
|
|
; CHECK: [[RNG3]] = !{i32 -5, i32 -2, i32 1, i32 5}
|
|
; CHECK: [[RNG4]] = !{i32 10, i32 1}
|
|
; CHECK: [[RNG5]] = !{i32 3, i32 4, i32 5, i32 2}
|
|
; CHECK: [[META6:![0-9]+]] = !{}
|
|
; CHECK: [[META7:![0-9]+]] = !{i64 10}
|
|
; CHECK: [[RNG8]] = !{i64 0, i64 10}
|
|
; CHECK: [[RNG9]] = !{i64 0, i64 10, i64 20, i64 30}
|
|
; CHECK: [[RNG10]] = !{i64 10, i64 30}
|
|
;.
|