84 lines
3 KiB
LLVM
84 lines
3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 3
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; RUN: opt -passes='require<profile-summary>,function(codegenprepare)' -mtriple=arm64_32-apple-ios %s -S -o - | FileCheck %s
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define void @test_simple_sink(ptr %base, i64 %offset) {
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; CHECK-LABEL: define void @test_simple_sink(
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; CHECK-SAME: ptr [[BASE:%.*]], i64 [[OFFSET:%.*]]) {
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; CHECK-NEXT: [[ADDR:%.*]] = getelementptr i1, ptr [[BASE]], i64 [[OFFSET]]
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; CHECK-NEXT: [[TST:%.*]] = load i1, ptr [[ADDR]], align 1
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; CHECK-NEXT: br i1 [[TST]], label [[NEXT:%.*]], label [[END:%.*]]
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; CHECK: next:
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; CHECK-NEXT: [[SUNKADDR:%.*]] = trunc i64 [[OFFSET]] to i32
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; CHECK-NEXT: [[SUNKADDR1:%.*]] = getelementptr i8, ptr [[BASE]], i32 [[SUNKADDR]]
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; CHECK-NEXT: [[TMP1:%.*]] = load volatile i1, ptr [[SUNKADDR1]], align 1
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; CHECK-NEXT: ret void
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; CHECK: end:
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; CHECK-NEXT: ret void
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;
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%addr = getelementptr i1, ptr %base, i64 %offset
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%tst = load i1, ptr %addr
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br i1 %tst, label %next, label %end
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next:
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load volatile i1, ptr %addr
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ret void
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end:
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ret void
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}
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define void @test_inbounds_sink(ptr %base, i64 %offset) {
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; CHECK-LABEL: define void @test_inbounds_sink(
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; CHECK-SAME: ptr [[BASE:%.*]], i64 [[OFFSET:%.*]]) {
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; CHECK-NEXT: [[ADDR:%.*]] = getelementptr inbounds i1, ptr [[BASE]], i64 [[OFFSET]]
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; CHECK-NEXT: [[TST:%.*]] = load i1, ptr [[ADDR]], align 1
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; CHECK-NEXT: br i1 [[TST]], label [[NEXT:%.*]], label [[END:%.*]]
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; CHECK: next:
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; CHECK-NEXT: [[SUNKADDR:%.*]] = trunc i64 [[OFFSET]] to i32
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; CHECK-NEXT: [[SUNKADDR1:%.*]] = getelementptr inbounds i8, ptr [[BASE]], i32 [[SUNKADDR]]
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; CHECK-NEXT: [[TMP1:%.*]] = load volatile i1, ptr [[SUNKADDR1]], align 1
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; CHECK-NEXT: ret void
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; CHECK: end:
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; CHECK-NEXT: ret void
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;
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%addr = getelementptr inbounds i1, ptr %base, i64 %offset
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%tst = load i1, ptr %addr
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br i1 %tst, label %next, label %end
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next:
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load volatile i1, ptr %addr
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ret void
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end:
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ret void
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}
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; No address derived via an add can be guaranteed inbounds
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define void @test_add_sink(ptr %base, i64 %offset) {
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; CHECK-LABEL: define void @test_add_sink(
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; CHECK-SAME: ptr [[BASE:%.*]], i64 [[OFFSET:%.*]]) {
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; CHECK-NEXT: [[BASE64:%.*]] = ptrtoint ptr [[BASE]] to i64
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; CHECK-NEXT: [[ADDR64:%.*]] = add nuw nsw i64 [[BASE64]], [[OFFSET]]
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; CHECK-NEXT: [[ADDR:%.*]] = inttoptr i64 [[ADDR64]] to ptr
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; CHECK-NEXT: [[TST:%.*]] = load i1, ptr [[ADDR]], align 1
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; CHECK-NEXT: br i1 [[TST]], label [[NEXT:%.*]], label [[END:%.*]]
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; CHECK: next:
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; CHECK-NEXT: [[TMP1:%.*]] = inttoptr i64 [[ADDR64]] to ptr
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; CHECK-NEXT: [[TMP2:%.*]] = load volatile i1, ptr [[TMP1]], align 1
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; CHECK-NEXT: ret void
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; CHECK: end:
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; CHECK-NEXT: ret void
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;
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%base64 = ptrtoint ptr %base to i64
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%addr64 = add nsw nuw i64 %base64, %offset
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%addr = inttoptr i64 %addr64 to ptr
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%tst = load i1, ptr %addr
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br i1 %tst, label %next, label %end
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next:
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load volatile i1, ptr %addr
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ret void
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end:
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ret void
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}
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