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TheRock/compiler/amd-llvm/llvm/test/Transforms/SimplifyCFG/pr48641.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

34 lines
1.2 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s
define i32 @foo_add(ptr %arg, i32 %arg1, i32 %arg2) {
; CHECK-LABEL: @foo_add(
; CHECK-NEXT: common.ret:
; CHECK-NEXT: [[I:%.*]] = sext i32 [[ARG1:%.*]] to i64
; CHECK-NEXT: [[I3:%.*]] = getelementptr inbounds i8, ptr [[ARG:%.*]], i64 [[I]]
; CHECK-NEXT: [[I4:%.*]] = load i8, ptr [[I3]], align 1
; CHECK-NEXT: [[I5:%.*]] = zext i8 [[I4]] to i32
; CHECK-NEXT: [[I6:%.*]] = add nsw i32 [[I5]], [[ARG2:%.*]]
; CHECK-NEXT: [[I7:%.*]] = icmp sgt i32 [[I6]], 255
; CHECK-NEXT: [[I9:%.*]] = icmp sgt i32 [[I6]], 0
; CHECK-NEXT: [[I10:%.*]] = select i1 [[I9]], i32 [[I6]], i32 0
; CHECK-NEXT: [[COMMON_RET_OP:%.*]] = select i1 [[I7]], i32 255, i32 [[I10]]
; CHECK-NEXT: ret i32 [[COMMON_RET_OP]]
;
%i = sext i32 %arg1 to i64
%i3 = getelementptr inbounds i8, ptr %arg, i64 %i
%i4 = load i8, ptr %i3, align 1
%i5 = zext i8 %i4 to i32
%i6 = add nsw i32 %i5, %arg2
%i7 = icmp sgt i32 %i6, 255
br i1 %i7, label %bb11, label %bb8
bb8:
%i9 = icmp sgt i32 %i6, 0
%i10 = select i1 %i9, i32 %i6, i32 0
ret i32 %i10
bb11:
ret i32 255
}