Index: llvm/trunk/test/Transforms/InstCombine/memset.ll =================================================================== --- llvm/trunk/test/Transforms/InstCombine/memset.ll +++ llvm/trunk/test/Transforms/InstCombine/memset.ll @@ -1,7 +1,16 @@ -; RUN: opt < %s -instcombine -S | not grep "call.*llvm.memset" +; RUN: opt < %s -instcombine -S | FileCheck %s -define i32 @main() { - %target = alloca [1024 x i8] +define i32 @test([1024 x i8]* %target) { + ;; CHECK-LABEL: test + ;; CHECK-NEXT: [[P1:%[^\s]+]] = getelementptr inbounds [1024 x i8], [1024 x i8]* %target, i64 0, i64 0 + ;; CHECK-NEXT: store i8 1, i8* [[P1]], align 1 + ;; CHECK-NEXT: [[P2:%[^\s]+]] = bitcast [1024 x i8]* %target to i16* + ;; CHECK-NEXT: store i16 257, i16* [[P2]], align 2 + ;; CHECK-NEXT: [[P3:%[^\s]+]] = bitcast [1024 x i8]* %target to i32* + ;; CHECK-NEXT: store i32 16843009, i32* [[P3]], align 4 + ;; CHECK-NEXT: [[P4:%[^\s]+]] = bitcast [1024 x i8]* %target to i64* + ;; CHECK-NEXT: store i64 72340172838076673, i64* [[P4]], align 8 + ;; CHECK-NEXT: ret i32 0 %target_p = getelementptr [1024 x i8], [1024 x i8]* %target, i32 0, i32 0 call void @llvm.memset.p0i8.i32(i8* %target_p, i8 1, i32 0, i32 1, i1 false) call void @llvm.memset.p0i8.i32(i8* %target_p, i8 1, i32 1, i32 1, i1 false) @@ -11,4 +20,4 @@ ret i32 0 } -declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) nounwind +declare void @llvm.memset.p0i8.i32(i8* nocapture writeonly, i8, i32, i32, i1) argmemonly nounwind