From 44de592e2a4a8708d69558ed980d55cbf6ef5558 Mon Sep 17 00:00:00 2001 From: Andreas Jonson Date: Sun, 27 Oct 2024 00:04:20 +0200 Subject: [PATCH] [NFC] Fix test for zext(shl(trunc)) fold --- llvm/test/Transforms/InstCombine/trunc-shl-zext.ll | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/llvm/test/Transforms/InstCombine/trunc-shl-zext.ll b/llvm/test/Transforms/InstCombine/trunc-shl-zext.ll index 2e7b6d8c8f8c8..576125b86de8f 100644 --- a/llvm/test/Transforms/InstCombine/trunc-shl-zext.ll +++ b/llvm/test/Transforms/InstCombine/trunc-shl-zext.ll @@ -1,12 +1,13 @@ ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2 ; RUN: opt < %s -passes=instcombine -S | FileCheck %s +target datalayout = "n8:16:32:64" + define i32 @trunc_shl_zext_32(i32 %a) { ; CHECK-LABEL: define i32 @trunc_shl_zext_32 ; CHECK-SAME: (i32 [[A:%.*]]) { -; CHECK-NEXT: [[TRUNC:%.*]] = trunc i32 [[A]] to i16 -; CHECK-NEXT: [[SHL:%.*]] = shl i16 [[TRUNC]], 4 -; CHECK-NEXT: [[EXT:%.*]] = zext i16 [[SHL]] to i32 +; CHECK-NEXT: [[SHL:%.*]] = shl i32 [[A]], 4 +; CHECK-NEXT: [[EXT:%.*]] = and i32 [[SHL]], 65520 ; CHECK-NEXT: ret i32 [[EXT]] ; %trunc = trunc i32 %a to i16 @@ -18,9 +19,8 @@ define i32 @trunc_shl_zext_32(i32 %a) { define i64 @trunc_shl_zext_64(i64 %a) { ; CHECK-LABEL: define i64 @trunc_shl_zext_64 ; CHECK-SAME: (i64 [[A:%.*]]) { -; CHECK-NEXT: [[TRUNC:%.*]] = trunc i64 [[A]] to i8 -; CHECK-NEXT: [[SHL:%.*]] = shl i8 [[TRUNC]], 7 -; CHECK-NEXT: [[EXT:%.*]] = zext i8 [[SHL]] to i64 +; CHECK-NEXT: [[SHL:%.*]] = shl i64 [[A]], 7 +; CHECK-NEXT: [[EXT:%.*]] = and i64 [[SHL]], 128 ; CHECK-NEXT: ret i64 [[EXT]] ; %trunc = trunc i64 %a to i8