diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/realloc.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/realloc.ll | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/realloc.ll b/llvm/test/Transforms/InstCombine/realloc.ll new file mode 100644 index 00000000000..22f37f1d2fa --- /dev/null +++ b/llvm/test/Transforms/InstCombine/realloc.ll @@ -0,0 +1,24 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py +; RUN: opt < %s -instcombine -S | FileCheck %s + +declare i8* @realloc(i8*, i64) #1 +declare noalias i8* @malloc(i64) #1 + + +define i8* @realloc_null_ptr() #0 { +; CHECK-LABEL: @realloc_null_ptr( +; CHECK-NEXT: [[MALLOC:%.*]] = call i8* @malloc(i64 100) +; CHECK-NEXT: ret i8* [[MALLOC]] +; + %call = call i8* @realloc(i8* null, i64 100) #2 + ret i8* %call +} + +define i8* @realloc_unknown_ptr(i8* %ptr) #0 { +; CHECK-LABEL: @realloc_unknown_ptr( +; CHECK-NEXT: [[CALL:%.*]] = call i8* @realloc(i8* [[PTR:%.*]], i64 100) +; CHECK-NEXT: ret i8* [[CALL]] +; + %call = call i8* @realloc(i8* %ptr, i64 100) #2 + ret i8* %call +} |
