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| ; RUN: opt -safe-stack -safe-stack-coloring=1 -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s
; RUN: opt -safe-stack -safe-stack-coloring=1 -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s
define void @f() safestack {
entry:
; CHECK: %[[USP:.*]] = load i8*, i8** @__safestack_unsafe_stack_ptr
; CHECK: %[[USST:.*]] = getelementptr i8, i8* %[[USP]], i32 -16
%x = alloca i32, align 4
%x1 = alloca i32, align 4
%x2 = alloca i32, align 4
%0 = bitcast i32* %x to i8*
call void @llvm.lifetime.start.p0i8(i64 4, i8* %0)
; CHECK: %[[A1:.*]] = getelementptr i8, i8* %[[USP]], i32 -4
; CHECK: %[[A2:.*]] = bitcast i8* %[[A1]] to i32*
; CHECK: call void @capture(i32* nonnull %[[A2]])
call void @capture(i32* nonnull %x)
call void @llvm.lifetime.end.p0i8(i64 4, i8* %0)
%1 = bitcast i32* %x1 to i8*
call void @llvm.lifetime.start.p0i8(i64 4, i8* %1)
; CHECK: %[[B1:.*]] = getelementptr i8, i8* %[[USP]], i32 -4
; CHECK: %[[B2:.*]] = bitcast i8* %[[B1]] to i32*
; CHECK: call void @capture(i32* nonnull %[[B2]])
call void @capture(i32* nonnull %x1)
call void @llvm.lifetime.end.p0i8(i64 4, i8* %1)
%2 = bitcast i32* %x2 to i8*
call void @llvm.lifetime.start.p0i8(i64 4, i8* %2)
; CHECK: %[[C1:.*]] = getelementptr i8, i8* %[[USP]], i32 -4
; CHECK: %[[C2:.*]] = bitcast i8* %[[C1]] to i32*
; CHECK: call void @capture(i32* nonnull %[[C2]])
call void @capture(i32* nonnull %x2)
call void @llvm.lifetime.end.p0i8(i64 4, i8* %2)
ret void
}
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture)
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture)
declare void @capture(i32*)
|