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