diff options
| -rw-r--r-- | test/Transforms/InstCombine/2007-02-07-PointerCast.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/2007-02-07-PointerCast.ll b/test/Transforms/InstCombine/2007-02-07-PointerCast.ll new file mode 100644 index 0000000000..1f7f199c6b --- /dev/null +++ b/test/Transforms/InstCombine/2007-02-07-PointerCast.ll @@ -0,0 +1,28 @@ +;RUN: llvm-upgrade < %s | llvm-as | opt -instcombine |llvm-dis |grep zext + +;Make sure the uint isn't removed. +;instcombine in llvm 1.9 was dropping the uint cast which was causing a sign +;extend +;this only affected code with pointers in the high half of memory, so it wasn't +;noticed much :) +;compile a kernel though... + +target datalayout = "e-p:32:32" +target endian = little +target pointersize = 32 + +%str = internal constant [6 x sbyte] c"%llx\0A\00" + +implementation ; Functions: + +declare int %printf(sbyte*, ...) + +int %main(int %x, sbyte** %a) { +entry: + %tmp = getelementptr [6 x sbyte]* %str, int 0, uint 0 + %tmp1 = load sbyte** %a + %tmp2 = cast sbyte* %tmp1 to uint ; <uint> [#uses=1] + %tmp3 = cast uint %tmp2 to long ; <long> [#uses=1] + %tmp = call int (sbyte*, ...)* %printf( sbyte* %tmp, long %tmp3 ) + ret int 0 +} |