llvm-project/llvm/test/Transforms/SeparateConstOffsetFromGEP/pr45371-find-either-reset.ll

24 lines
888 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -separate-const-offset-from-gep < %s | FileCheck %s
@e = external global [4000 x i8], align 1
define void @find_either_reset() {
; CHECK-LABEL: @find_either_reset(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[SUB:%.*]] = sub nsw i32 65536, undef
; CHECK-NEXT: [[TMP0:%.*]] = trunc i32 [[SUB]] to i8
; CHECK-NEXT: [[TMP1:%.*]] = add i8 [[TMP0]], 96
; CHECK-NEXT: [[IDXPROM:%.*]] = sext i8 0 to i64
; CHECK-NEXT: [[IDXPROM1:%.*]] = sext i8 [[TMP1]] to i64
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [4000 x i8], [4000 x i8]* @e, i64 [[IDXPROM]], i64 [[IDXPROM1]]
; CHECK-NEXT: ret void
;
entry:
%sub = sub nsw i32 65536, undef
%0 = trunc i32 %sub to i8
%1 = add i8 %0, -4000
%arrayidx = getelementptr inbounds [4000 x i8], [4000 x i8]* @e, i8 0, i8 %1
ret void
}