84 lines
1.7 KiB
LLVM
84 lines
1.7 KiB
LLVM
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; RUN: llc -mtriple=thumbv7-windows-msvc -fast-isel %s -o - -start-before=stack-protector -stop-after=stack-protector | FileCheck %s
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@var = global ptr null
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declare void @callee()
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define void @caller1() sspreq {
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; CHECK-LABEL: define void @caller1()
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; Prologue:
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; CHECK: call void @__security_check_cookie
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; CHECK: musttail call void @callee()
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; CHECK-NEXT: ret void
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%var = alloca [2 x i64]
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store ptr %var, ptr @var
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musttail call void @callee()
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ret void
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}
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define void @justret() sspreq {
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; CHECK-LABEL: define void @justret()
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; Prologue:
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; CHECK: @llvm.stackguard
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; CHECK: call void @__security_check_cookie
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; CHECK: ret void
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%var = alloca [2 x i64]
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store ptr %var, ptr @var
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br label %retblock
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retblock:
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ret void
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}
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declare ptr @callee2()
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define ptr @caller2() sspreq {
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; CHECK-LABEL: define ptr @caller2()
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; Prologue:
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; CHECK: @llvm.stackguard
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; CHECK: call void @__security_check_cookie
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; CHECK: [[TMP:%.*]] = musttail call ptr @callee2()
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; CHECK-NEXT: ret ptr [[TMP]]
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%var = alloca [2 x i64]
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store ptr %var, ptr @var
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%tmp = musttail call ptr @callee2()
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ret ptr %tmp
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}
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define void @caller3() sspreq {
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; CHECK-LABEL: define void @caller3()
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; Prologue:
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; CHECK: call void @__security_check_cookie
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; CHECK: tail call void @callee()
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; CHECK-NEXT: ret void
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%var = alloca [2 x i64]
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store ptr %var, ptr @var
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tail call void @callee()
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ret void
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}
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define ptr @caller4() sspreq {
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; CHECK-LABEL: define ptr @caller4()
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; Prologue:
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; CHECK: @llvm.stackguard
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; CHECK: call void @__security_check_cookie
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; CHECK: [[TMP:%.*]] = tail call ptr @callee2()
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; CHECK-NEXT: ret ptr [[TMP]]
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%var = alloca [2 x i64]
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store ptr %var, ptr @var
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%tmp = tail call ptr @callee2()
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ret ptr %tmp
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}
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