335 lines
8 KiB
LLVM
335 lines
8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
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; RUN: opt < %s -passes=ipsccp -S | FileCheck %s
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; RUN: opt < %s -enable-debugify -passes=ipsccp -debugify-quiet -disable-output
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; RUN: opt < %s -enable-debugify -passes=ipsccp -debugify-quiet -disable-output --try-experimental-debuginfo-iterators
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;;======================== test1
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define internal i32 @test1a(i32 %A) {
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; CHECK-LABEL: define internal i32 @test1a
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; CHECK-SAME: (i32 [[A:%.*]]) {
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; CHECK-NEXT: ret i32 undef
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;
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%X = add i32 1, 2
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ret i32 %A
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}
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define i32 @test1b() {
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; CHECK-LABEL: define i32 @test1b() {
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; CHECK-NEXT: [[X:%.*]] = call i32 @test1a(i32 17)
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; CHECK-NEXT: ret i32 17
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;
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%X = call i32 @test1a( i32 17 )
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ret i32 %X
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}
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;;======================== test2
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define internal i32 @test2a(i32 %A) {
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; CHECK-LABEL: define internal i32 @test2a
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; CHECK-SAME: (i32 [[A:%.*]]) {
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; CHECK-NEXT: br label [[T:%.*]]
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; CHECK: T:
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; CHECK-NEXT: [[B:%.*]] = call i32 @test2a(i32 0)
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; CHECK-NEXT: ret i32 undef
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;
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%C = icmp eq i32 %A, 0
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br i1 %C, label %T, label %F
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T:
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%B = call i32 @test2a( i32 0 )
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ret i32 0
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F:
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%C.upgrd.1 = call i32 @test2a(i32 1)
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ret i32 %C.upgrd.1
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}
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define i32 @test2b() {
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; CHECK-LABEL: define i32 @test2b() {
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; CHECK-NEXT: [[X:%.*]] = call i32 @test2a(i32 0)
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; CHECK-NEXT: ret i32 0
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;
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%X = call i32 @test2a(i32 0)
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ret i32 %X
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}
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;;======================== test3
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@G = internal global i32 undef
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define void @test3a() {
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; CHECK-LABEL: define void @test3a() {
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; CHECK-NEXT: [[X:%.*]] = load i32, ptr @G, align 4
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; CHECK-NEXT: store i32 [[X]], ptr @G, align 4
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; CHECK-NEXT: ret void
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;
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%X = load i32, ptr @G
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store i32 %X, ptr @G
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ret void
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}
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define i32 @test3b() {
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; CHECK-LABEL: define i32 @test3b() {
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; CHECK-NEXT: [[V:%.*]] = load i32, ptr @G, align 4
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; CHECK-NEXT: [[C:%.*]] = icmp eq i32 [[V]], 17
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; CHECK-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]]
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; CHECK: T:
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; CHECK-NEXT: store i32 17, ptr @G, align 4
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; CHECK-NEXT: ret i32 17
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; CHECK: F:
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; CHECK-NEXT: store i32 123, ptr @G, align 4
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; CHECK-NEXT: ret i32 0
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;
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%V = load i32, ptr @G
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%C = icmp eq i32 %V, 17
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br i1 %C, label %T, label %F
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T:
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store i32 17, ptr @G
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ret i32 %V
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F:
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store i32 123, ptr @G
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ret i32 0
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}
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;;======================== test4
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define internal {i64,i64} @test4a() {
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; CHECK-LABEL: define internal { i64, i64 } @test4a() {
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; CHECK-NEXT: ret { i64, i64 } undef
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;
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%a = insertvalue {i64,i64} undef, i64 4, 1
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%b = insertvalue {i64,i64} %a, i64 5, 0
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ret {i64,i64} %b
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}
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define i64 @test4b() personality ptr @__gxx_personality_v0 {
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; CHECK-LABEL: define i64 @test4b() personality ptr @__gxx_personality_v0 {
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; CHECK-NEXT: [[A:%.*]] = invoke { i64, i64 } @test4a()
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; CHECK-NEXT: to label [[A:%.*]] unwind label [[B:%.*]]
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; CHECK: A:
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; CHECK-NEXT: [[C:%.*]] = call i64 @test4c(i64 5)
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; CHECK-NEXT: ret i64 5
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; CHECK: B:
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; CHECK-NEXT: [[VAL:%.*]] = landingpad { ptr, i32 }
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; CHECK-NEXT: catch ptr null
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; CHECK-NEXT: ret i64 0
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;
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%a = invoke {i64,i64} @test4a()
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to label %A unwind label %B
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A:
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%b = extractvalue {i64,i64} %a, 0
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%c = call i64 @test4c(i64 %b)
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ret i64 %c
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B:
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%val = landingpad { ptr, i32 }
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catch ptr null
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ret i64 0
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}
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define internal i64 @test4c(i64 %a) {
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; CHECK-LABEL: define internal i64 @test4c
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; CHECK-SAME: (i64 [[A:%.*]]) {
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; CHECK-NEXT: ret i64 undef
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;
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ret i64 %a
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}
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;;======================== test5
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; PR4313
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define internal {i64,i64} @test5a() {
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; CHECK-LABEL: define internal { i64, i64 } @test5a() {
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; CHECK-NEXT: ret { i64, i64 } undef
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;
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%a = insertvalue {i64,i64} undef, i64 4, 1
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%b = insertvalue {i64,i64} %a, i64 5, 0
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ret {i64,i64} %b
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}
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define i64 @test5b() personality ptr @__gxx_personality_v0 {
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; CHECK-LABEL: define i64 @test5b() personality ptr @__gxx_personality_v0 {
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; CHECK-NEXT: [[A:%.*]] = invoke { i64, i64 } @test5a()
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; CHECK-NEXT: to label [[A:%.*]] unwind label [[B:%.*]]
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; CHECK: A:
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; CHECK-NEXT: [[C:%.*]] = call i64 @test5c({ i64, i64 } { i64 5, i64 4 })
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; CHECK-NEXT: ret i64 5
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; CHECK: B:
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; CHECK-NEXT: [[VAL:%.*]] = landingpad { ptr, i32 }
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; CHECK-NEXT: catch ptr null
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; CHECK-NEXT: ret i64 0
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;
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%a = invoke {i64,i64} @test5a()
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to label %A unwind label %B
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A:
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%c = call i64 @test5c({i64,i64} %a)
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ret i64 %c
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B:
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%val = landingpad { ptr, i32 }
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catch ptr null
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ret i64 0
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}
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define internal i64 @test5c({i64,i64} %a) {
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; CHECK-LABEL: define internal i64 @test5c
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; CHECK-SAME: ({ i64, i64 } [[A:%.*]]) {
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; CHECK-NEXT: ret i64 undef
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;
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%b = extractvalue {i64,i64} %a, 0
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ret i64 %b
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}
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;;======================== test6
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define i64 @test6a() {
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; CHECK-LABEL: define i64 @test6a() {
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; CHECK-NEXT: ret i64 0
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;
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ret i64 0
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}
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define i64 @test6b() {
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; CHECK-LABEL: define i64 @test6b() {
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; CHECK-NEXT: [[A:%.*]] = call i64 @test6a()
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; CHECK-NEXT: ret i64 0
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;
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%a = call i64 @test6a()
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ret i64 %a
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}
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;;======================== test7
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%T = type {i32,i32}
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define internal %T @test7a(i32 %A) {
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; CHECK-LABEL: define internal %T @test7a
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; CHECK-SAME: (i32 [[A:%.*]]) {
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; CHECK-NEXT: ret [[T:%.*]] undef
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;
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%X = add i32 1, %A
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%mrv0 = insertvalue %T undef, i32 %X, 0
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%mrv1 = insertvalue %T %mrv0, i32 %A, 1
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ret %T %mrv1
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}
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define i32 @test7b() {
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; CHECK-LABEL: define i32 @test7b() {
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; CHECK-NEXT: [[X:%.*]] = call [[T:%.*]] @test7a(i32 17)
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; CHECK-NEXT: ret i32 36
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;
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%X = call %T @test7a(i32 17)
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%Y = extractvalue %T %X, 0
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%Z = add i32 %Y, %Y
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ret i32 %Z
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}
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;;======================== test8
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define internal {} @test8a(i32 %A, ptr %P) {
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; CHECK-LABEL: define internal {} @test8a
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; CHECK-SAME: (i32 [[A:%.*]], ptr [[P:%.*]]) {
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; CHECK-NEXT: store i32 5, ptr [[P]], align 4
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; CHECK-NEXT: ret {} undef
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;
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store i32 %A, ptr %P
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ret {} {}
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}
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define void @test8b(ptr %P) {
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; CHECK-LABEL: define void @test8b
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; CHECK-SAME: (ptr [[P:%.*]]) {
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; CHECK-NEXT: [[X:%.*]] = call {} @test8a(i32 5, ptr [[P]])
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; CHECK-NEXT: ret void
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;
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%X = call {} @test8a(i32 5, ptr %P)
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ret void
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}
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;;======================== test9
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@test9g = internal global { } zeroinitializer
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define void @test9() {
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; CHECK-LABEL: define void @test9() {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[LOCAL_FOO:%.*]] = alloca {}, align 8
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; CHECK-NEXT: store {} zeroinitializer, ptr [[LOCAL_FOO]], align 1
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; CHECK-NEXT: ret void
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;
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entry:
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%local_foo = alloca { }
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load { }, ptr @test9g
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store { } %0, ptr %local_foo
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ret void
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}
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declare i32 @__gxx_personality_v0(...)
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;;======================== test10
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define i32 @test10a() nounwind {
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; CHECK-LABEL: define i32 @test10a
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; CHECK-SAME: () #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[CALL:%.*]] = call i32 @test10b(i32 undef)
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; CHECK-NEXT: ret i32 [[CALL]]
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;
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entry:
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%call = call i32 @test10b(i32 undef)
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ret i32 %call
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}
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define internal i32 @test10b(i32 %x) nounwind {
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; CHECK-LABEL: define internal i32 @test10b
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; CHECK-SAME: (i32 [[X:%.*]]) #[[ATTR0]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[R:%.*]] = and i32 undef, 1
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; CHECK-NEXT: ret i32 [[R]]
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;
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entry:
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%r = and i32 %x, 1
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ret i32 %r
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}
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;;======================== test11
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define i64 @test11a() {
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; CHECK-LABEL: define i64 @test11a() {
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; CHECK-NEXT: [[XOR:%.*]] = xor i64 undef, undef
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; CHECK-NEXT: ret i64 [[XOR]]
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;
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%xor = xor i64 undef, undef
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ret i64 %xor
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}
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define i64 @test11b() {
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; CHECK-LABEL: define i64 @test11b() {
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; CHECK-NEXT: [[CALL1:%.*]] = call i64 @test11a()
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; CHECK-NEXT: [[CALL2:%.*]] = call i64 @llvm.ctpop.i64(i64 [[CALL1]])
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; CHECK-NEXT: ret i64 [[CALL2]]
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;
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%call1 = call i64 @test11a()
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%call2 = call i64 @llvm.ctpop.i64(i64 %call1)
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ret i64 %call2
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}
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declare i64 @llvm.ctpop.i64(i64)
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;;======================== test12
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;; Ensure that a struct as an arg to a potentially constant-foldable
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;; function does not crash SCCP (for now it'll just ignores it)
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define i1 @test12() {
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; CHECK-LABEL: define i1 @test12() {
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; CHECK-NEXT: [[C:%.*]] = call i1 @llvm.is.constant.sl_i32i32s({ i32, i32 } { i32 -1, i32 32 })
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; CHECK-NEXT: ret i1 [[C]]
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;
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%c = call i1 @llvm.is.constant.sl_i32i32s({i32, i32} {i32 -1, i32 32})
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ret i1 %c
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}
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declare i1 @llvm.is.constant.sl_i32i32s({i32, i32} %a)
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