[llvm] c726b34 - Add a test for D144333

[Juneyoung Lee via llvm-commits]

Author: Juneyoung Lee
Date: 2023-02-18T21:00:55Z
New Revision: c726b34ea01b74741dd9a6ae072e5ca4d9a3e623

URL: https://github.com/llvm/llvm-project/commit/c726b34ea01b74741dd9a6ae072e5ca4d9a3e623
DIFF: https://github.com/llvm/llvm-project/commit/c726b34ea01b74741dd9a6ae072e5ca4d9a3e623.diff

LOG: Add a test for D144333

Added: 
    llvm/test/Transforms/DivRemPairs/AArch64/div-rem-pairs.ll

Modified: 
    

Removed: 
    


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diff  --git a/llvm/test/Transforms/DivRemPairs/AArch64/div-rem-pairs.ll b/llvm/test/Transforms/DivRemPairs/AArch64/div-rem-pairs.ll
new file mode 100644
index 0000000000000..f7e0eaa9c9a14
--- /dev/null
+++ b/llvm/test/Transforms/DivRemPairs/AArch64/div-rem-pairs.ll
@@ -0,0 +1,18 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt < %s -passes=div-rem-pairs -S -mtriple=aarch64-unknown-unknown    | FileCheck %s
+
+define i8 @f(ptr %p, i8 %x, i8 %y) {
+; CHECK-LABEL: @f(
+; CHECK-NEXT:    [[X_FROZEN:%.*]] = freeze i8 [[X:%.*]]
+; CHECK-NEXT:    [[Y_FROZEN:%.*]] = freeze i8 [[Y:%.*]]
+; CHECK-NEXT:    [[XDIVY:%.*]] = udiv exact i8 [[X_FROZEN]], [[Y_FROZEN]]
+; CHECK-NEXT:    [[TMP1:%.*]] = mul i8 [[XDIVY]], [[Y_FROZEN]]
+; CHECK-NEXT:    [[XMODY_DECOMPOSED:%.*]] = sub i8 [[X_FROZEN]], [[TMP1]]
+; CHECK-NEXT:    store i8 [[XMODY_DECOMPOSED]], ptr [[P:%.*]], align 1
+; CHECK-NEXT:    ret i8 [[XDIVY]]
+;
+  %xmody = urem i8 %x, %y
+  %xdivy = udiv exact i8 %x, %y
+  store i8 %xmody, ptr %p, align 1
+  ret i8 %xdivy
+}