llvm-project/llvm/test/Transforms/NaryReassociate/pr35710.ll

20 lines
587 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -nary-reassociate -S | FileCheck %s
; The test check that compilation does not fall into infinite loop.
define i8 @foo(i8 %v) local_unnamed_addr #0 {
; CHECK-LABEL: @foo(
; CHECK-NEXT: region.0:
; CHECK-NEXT: [[TMP0:%.*]] = mul nsw i8 16, [[V:%.*]]
; CHECK-NEXT: [[TMP1:%.*]] = mul nsw i8 0, [[TMP0]]
; CHECK-NEXT: [[TMP2:%.*]] = mul nsw i8 1, [[TMP1]]
; CHECK-NEXT: ret i8 [[TMP2]]
;
region.0:
%0 = mul nsw i8 16, %v
%1 = mul nsw i8 0, %0
%2 = mul nsw i8 1, %1
ret i8 %2
}