diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/ptr-int-cast.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/ptr-int-cast.ll | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/ptr-int-cast.ll b/llvm/test/Transforms/InstCombine/ptr-int-cast.ll index 69b8f69..82ecbd4 100644 --- a/llvm/test/Transforms/InstCombine/ptr-int-cast.ll +++ b/llvm/test/Transforms/InstCombine/ptr-int-cast.ll @@ -86,3 +86,14 @@ define <4 x ptr> @test7(<4 x i128> %arg) nounwind { %p1 = inttoptr <4 x i128> %arg to <4 x ptr> ret <4 x ptr> %p1 } + +define i64 @ptrtoint_gep_sub(ptr %ptr, i64 %end.addr) { +; CHECK-LABEL: @ptrtoint_gep_sub( +; CHECK-NEXT: ret i64 [[END_ADDR:%.*]] +; + %ptr.addr = ptrtoint ptr %ptr to i64 + %size = sub i64 %end.addr, %ptr.addr + %end = getelementptr i8, ptr %ptr, i64 %size + %end.addr2 = ptrtoint ptr %end to i64 + ret i64 %end.addr2 +} |