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Make this test check the transforms it's actually doing. Also add a test that it

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doesn't transform the trivially unsafe case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164617 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky 2012-09-25 18:17:38 +00:00
parent e5e8f7656a
commit fe4a778f6e
1 changed files with 17 additions and 3 deletions
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20
test/Transforms/DeadStoreElimination/libcalls.ll
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@ -16,7 +16,7 @@ define void @test2(i8* %src) {
; CHECK: @test2
%B = alloca [16 x i8]
%dest = getelementptr inbounds [16 x i8]* %B, i64 0, i64 0
; CHECK-NOT: @strcpy
; CHECK-NOT: @strncpy
%call = call i8* @strncpy(i8* %dest, i8* %src, i32 12)
; CHECK: ret void
ret void
@ -27,7 +27,7 @@ define void @test3(i8* %src) {
; CHECK: @test3
%B = alloca [16 x i8]
%dest = getelementptr inbounds [16 x i8]* %B, i64 0, i64 0
; CHECK-NOT: @strcpy
; CHECK-NOT: @strcat
%call = call i8* @strcat(i8* %dest, i8* %src)
; CHECK: ret void
ret void
@ -38,7 +38,7 @@ define void @test4(i8* %src) {
; CHECK: @test4
%B = alloca [16 x i8]
%dest = getelementptr inbounds [16 x i8]* %B, i64 0, i64 0
; CHECK-NOT: @strcpy
; CHECK-NOT: @strncat
%call = call i8* @strncat(i8* %dest, i8* %src, i32 12)
; CHECK: ret void
ret void
@ -54,3 +54,17 @@ define void @test5(i8* nocapture %src) {
store i8 97, i8* %arrayidx, align 1
ret void
}
declare void @user(i8* %p)
define void @test6(i8* %src) {
; CHECK: @test6
%B = alloca [16 x i8]
%dest = getelementptr inbounds [16 x i8]* %B, i64 0, i64 0
; CHECK: @strcpy
%call = call i8* @strcpy(i8* %dest, i8* %src)
; CHECK: @user
call void @user(i8* %dest)
; CHECK: ret void
ret void
}