diff options
Diffstat (limited to 'test/Transforms/InstCombine/stpcpy_chk-1.ll')
-rw-r--r-- | test/Transforms/InstCombine/stpcpy_chk-1.ll | 55 |
1 files changed, 31 insertions, 24 deletions
diff --git a/test/Transforms/InstCombine/stpcpy_chk-1.ll b/test/Transforms/InstCombine/stpcpy_chk-1.ll index 8a02529..393c5d9 100644 --- a/test/Transforms/InstCombine/stpcpy_chk-1.ll +++ b/test/Transforms/InstCombine/stpcpy_chk-1.ll @@ -11,46 +11,50 @@ target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f3 ; Check cases where slen >= strlen (src). -define void @test_simplify1() { +define i8* @test_simplify1() { ; CHECK-LABEL: @test_simplify1( %dst = getelementptr inbounds [60 x i8]* @a, i32 0, i32 0 %src = getelementptr inbounds [12 x i8]* @.str, i32 0, i32 0 -; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32 - call i8* @__stpcpy_chk(i8* %dst, i8* %src, i32 60) - ret void +; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* getelementptr inbounds ([60 x i8]* @a, i32 0, i32 0), i8* getelementptr inbounds ([12 x i8]* @.str, i32 0, i32 0), i32 12, i32 1, i1 false) +; CHECK-NEXT: ret i8* getelementptr inbounds ([60 x i8]* @a, i32 0, i32 11) + %ret = call i8* @__stpcpy_chk(i8* %dst, i8* %src, i32 60) + ret i8* %ret } -define void @test_simplify2() { +define i8* @test_simplify2() { ; CHECK-LABEL: @test_simplify2( %dst = getelementptr inbounds [60 x i8]* @a, i32 0, i32 0 %src = getelementptr inbounds [12 x i8]* @.str, i32 0, i32 0 -; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32 - call i8* @__stpcpy_chk(i8* %dst, i8* %src, i32 12) - ret void +; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* getelementptr inbounds ([60 x i8]* @a, i32 0, i32 0), i8* getelementptr inbounds ([12 x i8]* @.str, i32 0, i32 0), i32 12, i32 1, i1 false) +; CHECK-NEXT: ret i8* getelementptr inbounds ([60 x i8]* @a, i32 0, i32 11) + %ret = call i8* @__stpcpy_chk(i8* %dst, i8* %src, i32 12) + ret i8* %ret } -define void @test_simplify3() { +define i8* @test_simplify3() { ; CHECK-LABEL: @test_simplify3( %dst = getelementptr inbounds [60 x i8]* @a, i32 0, i32 0 %src = getelementptr inbounds [12 x i8]* @.str, i32 0, i32 0 -; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32 - call i8* @__stpcpy_chk(i8* %dst, i8* %src, i32 -1) - ret void +; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* getelementptr inbounds ([60 x i8]* @a, i32 0, i32 0), i8* getelementptr inbounds ([12 x i8]* @.str, i32 0, i32 0), i32 12, i32 1, i1 false) +; CHECK-NEXT: ret i8* getelementptr inbounds ([60 x i8]* @a, i32 0, i32 11) + %ret = call i8* @__stpcpy_chk(i8* %dst, i8* %src, i32 -1) + ret i8* %ret } ; Check cases where there are no string constants. -define void @test_simplify4() { +define i8* @test_simplify4() { ; CHECK-LABEL: @test_simplify4( %dst = getelementptr inbounds [60 x i8]* @a, i32 0, i32 0 %src = getelementptr inbounds [60 x i8]* @b, i32 0, i32 0 -; CHECK-NEXT: call i8* @stpcpy - call i8* @__stpcpy_chk(i8* %dst, i8* %src, i32 -1) - ret void +; CHECK-NEXT: %stpcpy = call i8* @stpcpy(i8* getelementptr inbounds ([60 x i8]* @a, i32 0, i32 0), i8* getelementptr inbounds ([60 x i8]* @b, i32 0, i32 0)) +; CHECK-NEXT: ret i8* %stpcpy + %ret = call i8* @__stpcpy_chk(i8* %dst, i8* %src, i32 -1) + ret i8* %ret } ; Check case where the string length is not constant. @@ -60,10 +64,11 @@ define i8* @test_simplify5() { %dst = getelementptr inbounds [60 x i8]* @a, i32 0, i32 0 %src = getelementptr inbounds [12 x i8]* @.str, i32 0, i32 0 -; CHECK: @__memcpy_chk +; CHECK-NEXT: %len = call i32 @llvm.objectsize.i32.p0i8(i8* getelementptr inbounds ([60 x i8]* @a, i32 0, i32 0), i1 false) +; CHECK-NEXT: %1 = call i8* @__memcpy_chk(i8* getelementptr inbounds ([60 x i8]* @a, i32 0, i32 0), i8* getelementptr inbounds ([12 x i8]* @.str, i32 0, i32 0), i32 12, i32 %len) +; CHECK-NEXT: ret i8* getelementptr inbounds ([60 x i8]* @a, i32 0, i32 11) %len = call i32 @llvm.objectsize.i32.p0i8(i8* %dst, i1 false) %ret = call i8* @__stpcpy_chk(i8* %dst, i8* %src, i32 %len) -; CHECK: ret i8* getelementptr inbounds ([60 x i8]* @a, i32 0, i32 11) ret i8* %ret } @@ -73,8 +78,9 @@ define i8* @test_simplify6() { ; CHECK-LABEL: @test_simplify6( %dst = getelementptr inbounds [60 x i8]* @a, i32 0, i32 0 -; CHECK: [[LEN:%[a-z]+]] = call i32 @strlen -; CHECK-NEXT: getelementptr inbounds [60 x i8]* @a, i32 0, i32 [[LEN]] +; CHECK-NEXT: %strlen = call i32 @strlen(i8* getelementptr inbounds ([60 x i8]* @a, i32 0, i32 0)) +; CHECK-NEXT: %1 = getelementptr inbounds [60 x i8]* @a, i32 0, i32 %strlen +; CHECK-NEXT: ret i8* %1 %len = call i32 @llvm.objectsize.i32.p0i8(i8* %dst, i1 false) %ret = call i8* @__stpcpy_chk(i8* %dst, i8* %dst, i32 %len) ret i8* %ret @@ -82,14 +88,15 @@ define i8* @test_simplify6() { ; Check case where slen < strlen (src). -define void @test_no_simplify1() { +define i8* @test_no_simplify1() { ; CHECK-LABEL: @test_no_simplify1( %dst = getelementptr inbounds [60 x i8]* @a, i32 0, i32 0 %src = getelementptr inbounds [60 x i8]* @b, i32 0, i32 0 -; CHECK-NEXT: call i8* @__stpcpy_chk - call i8* @__stpcpy_chk(i8* %dst, i8* %src, i32 8) - ret void +; CHECK-NEXT: %ret = call i8* @__stpcpy_chk(i8* getelementptr inbounds ([60 x i8]* @a, i32 0, i32 0), i8* getelementptr inbounds ([60 x i8]* @b, i32 0, i32 0), i32 8) +; CHECK-NEXT: ret i8* %ret + %ret = call i8* @__stpcpy_chk(i8* %dst, i8* %src, i32 8) + ret i8* %ret } declare i8* @__stpcpy_chk(i8*, i8*, i32) nounwind |