diff --git a/llvm/test/Transforms/InstCombine/freeze.ll b/llvm/test/Transforms/InstCombine/freeze.ll index bb2f15f33a7c8d..e6cd4e07a7e637 100644 --- a/llvm/test/Transforms/InstCombine/freeze.ll +++ b/llvm/test/Transforms/InstCombine/freeze.ll @@ -232,6 +232,17 @@ define i32 @propagate_drop_flags_add(i32 %arg) { ret i32 %v1.fr } +define i32 @propagate_drop_flags_add_foldaway(i32 noundef %arg) { +; CHECK-LABEL: @propagate_drop_flags_add_foldaway( +; CHECK-NEXT: [[V1:%.*]] = add nuw nsw i32 [[ARG:%.*]], 2 +; CHECK-NEXT: [[V1_FR:%.*]] = freeze i32 [[V1]] +; CHECK-NEXT: ret i32 [[V1_FR]] +; + %v1 = add nsw nuw i32 %arg, 2 + %v1.fr = freeze i32 %v1 + ret i32 %v1.fr +} + define i32 @propagate_drop_flags_sub(i32 %arg) { ; CHECK-LABEL: @propagate_drop_flags_sub( ; CHECK-NEXT: [[V1:%.*]] = add nsw i32 [[ARG:%.*]], -2 @@ -342,4 +353,25 @@ define i32 @propagate_drop_lshr2(i32 %arg, i32 %unknown) { ret i32 %v1.fr } +define i8* @propagate_drop_gep1(i8* %arg) { +; CHECK-LABEL: @propagate_drop_gep1( +; CHECK-NEXT: [[ARG_FR:%.*]] = freeze i8* [[ARG:%.*]] +; CHECK-NEXT: [[V1:%.*]] = getelementptr i8, i8* [[ARG_FR]], i64 16 +; CHECK-NEXT: ret i8* [[V1]] +; + %v1 = getelementptr i8, i8* %arg, i64 16 + %v1.fr = freeze i8* %v1 + ret i8* %v1.fr +} + +define i8* @propagate_drop_gep2(i8* %arg, i64 %unknown) { +; CHECK-LABEL: @propagate_drop_gep2( +; CHECK-NEXT: [[V1:%.*]] = getelementptr i8, i8* [[ARG:%.*]], i64 [[UNKNOWN:%.*]] +; CHECK-NEXT: [[V1_FR:%.*]] = freeze i8* [[V1]] +; CHECK-NEXT: ret i8* [[V1_FR]] +; + %v1 = getelementptr i8, i8* %arg, i64 %unknown + %v1.fr = freeze i8* %v1 + ret i8* %v1.fr +}