diff options
Diffstat (limited to 'llvm/test/Transforms/GVN/calloc-load-removal.ll')
| -rw-r--r-- | llvm/test/Transforms/GVN/calloc-load-removal.ll | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/llvm/test/Transforms/GVN/calloc-load-removal.ll b/llvm/test/Transforms/GVN/calloc-load-removal.ll deleted file mode 100644 index a51f71fd77a..00000000000 --- a/llvm/test/Transforms/GVN/calloc-load-removal.ll +++ /dev/null @@ -1,25 +0,0 @@ -; RUN: opt -S -basicaa -gvn < %s | FileCheck %s -; RUN: opt -S -basicaa -gvn -disable-simplify-libcalls < %s | FileCheck %s -check-prefix=CHECK_NO_LIBCALLS -; Check that loads from calloc are recognized as being zero. - -target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" - -; Function Attrs: nounwind uwtable -define i32 @test1() { - %1 = tail call noalias i8* @calloc(i64 1, i64 4) - %2 = bitcast i8* %1 to i32* - ; This load is trivially constant zero - %3 = load i32, i32* %2, align 4 - ret i32 %3 - -; CHECK-LABEL: @test1( -; CHECK-NOT: %3 = load i32, i32* %2, align 4 -; CHECK: ret i32 0 - -; CHECK_NO_LIBCALLS-LABEL: @test1( -; CHECK_NO_LIBCALLS: load -; CHECK_NO_LIBCALLS: ret i32 % - -} - -declare noalias i8* @calloc(i64, i64) |
