98 lines
3.5 KiB
LLVM
98 lines
3.5 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -inline -o - -S %s | FileCheck %s
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; RUN: opt -passes='cgscc(inline)' %s -S | FileCheck %s
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; RUN: opt -always-inline -o - -S %s | FileCheck %s
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; RUN: opt -passes=always-inline -o - -S %s | FileCheck %s
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declare dso_local void @foo(i8*)
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; Not interesting to test.
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define dso_local void @ssp(i64 %0) #0 {
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%2 = alloca i64, align 8
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store i64 %0, i64* %2, align 8
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%3 = load i64, i64* %2, align 8
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%4 = alloca i8, i64 %3, align 16
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call void @foo(i8* %4)
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ret void
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}
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; Not interesting to test.
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define dso_local void @ssp_alwaysinline(i64 %0) #1 {
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%2 = alloca i64, align 8
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store i64 %0, i64* %2, align 8
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%3 = load i64, i64* %2, align 8
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%4 = alloca i8, i64 %3, align 16
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call void @foo(i8* %4)
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ret void
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}
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; @ssp should not be inlined due to mismatch stack protector.
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; @ssp_alwaysinline should be inlined due to alwaysinline.
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define dso_local void @nossp() {
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; CHECK-LABEL: @nossp(
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; CHECK-NEXT: [[TMP1:%.*]] = alloca i64, align 8
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; CHECK-NEXT: call void @ssp(i64 1024)
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; CHECK-NEXT: [[SAVEDSTACK:%.*]] = call i8* @llvm.stacksave()
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; CHECK-NEXT: [[TMP2:%.*]] = bitcast i64* [[TMP1]] to i8*
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; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 8, i8* [[TMP2]])
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; CHECK-NEXT: store i64 1024, i64* [[TMP1]], align 8
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; CHECK-NEXT: [[TMP3:%.*]] = load i64, i64* [[TMP1]], align 8
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; CHECK-NEXT: [[TMP4:%.*]] = alloca i8, i64 [[TMP3]], align 16
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; CHECK-NEXT: call void @foo(i8* [[TMP4]])
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; CHECK-NEXT: [[TMP5:%.*]] = bitcast i64* [[TMP1]] to i8*
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; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 8, i8* [[TMP5]])
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; CHECK-NEXT: call void @llvm.stackrestore(i8* [[SAVEDSTACK]])
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; CHECK-NEXT: ret void
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;
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call void @ssp(i64 1024)
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call void @ssp_alwaysinline(i64 1024)
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ret void
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}
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; This is the same case as @nossp above. That the caller has alwaysinline is
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; irrelevant. Not interesting to test.
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define dso_local void @nossp_alwaysinline() #2 {
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call void @ssp(i64 1024)
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call void @ssp_alwaysinline(i64 1024)
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ret void
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}
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; @nossp_alwaysinline should be inlined due to alwaysinline.
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; @ssp should not be inlined due to mismatch stack protector.
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; @ssp_alwaysinline should be inlined due to alwaysinline.
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define dso_local void @nossp_caller() {
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; CHECK-LABEL: @nossp_caller(
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; CHECK-NEXT: [[TMP1:%.*]] = alloca i64, align 8
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; CHECK-NEXT: [[SAVEDSTACK:%.*]] = call i8* @llvm.stacksave()
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; CHECK-NEXT: call void @ssp(i64 1024)
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; CHECK-NEXT: [[SAVEDSTACK_I:%.*]] = call i8* @llvm.stacksave()
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; CHECK-NEXT: [[TMP2:%.*]] = bitcast i64* [[TMP1]] to i8*
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; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 8, i8* [[TMP2]])
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; CHECK-NEXT: store i64 1024, i64* [[TMP1]], align 8
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; CHECK-NEXT: [[TMP3:%.*]] = load i64, i64* [[TMP1]], align 8
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; CHECK-NEXT: [[TMP4:%.*]] = alloca i8, i64 [[TMP3]], align 16
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; CHECK-NEXT: call void @foo(i8* [[TMP4]])
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; CHECK-NEXT: [[TMP5:%.*]] = bitcast i64* [[TMP1]] to i8*
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; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 8, i8* [[TMP5]])
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; CHECK-NEXT: call void @llvm.stackrestore(i8* [[SAVEDSTACK_I]])
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; CHECK-NEXT: call void @llvm.stackrestore(i8* [[SAVEDSTACK]])
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; CHECK-NEXT: ret void
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;
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call void @nossp_alwaysinline()
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ret void
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}
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; @nossp should not be inlined due to mismatch stack protector.
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define dso_local void @ssp2() #0 {
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; CHECK-LABEL: @ssp2(
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; CHECK-NEXT: call void @nossp()
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; CHECK-NEXT: ret void
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;
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call void @nossp()
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ret void
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}
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attributes #0 = { sspstrong }
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attributes #1 = { sspstrong alwaysinline }
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attributes #2 = { alwaysinline}
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