49 lines
1.6 KiB
LLVM
49 lines
1.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -mergeicmps < %s | FileCheck %s
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target triple = "x86_64-unknown-linux-gnu"
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@c = external global i32, align 4
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define i1 @d() {
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; CHECK-LABEL: @d(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[G:%.*]] = alloca [8 x i64], align 16
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; CHECK-NEXT: [[IDX1:%.*]] = getelementptr inbounds [8 x i64], [8 x i64]* [[G]], i64 0, i64 0
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; CHECK-NEXT: [[V1:%.*]] = load i64, i64* [[IDX1]], align 8
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; CHECK-NEXT: [[IDX2:%.*]] = getelementptr inbounds [8 x i64], [8 x i64]* [[G]], i64 0, i64 0
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; CHECK-NEXT: [[V2:%.*]] = load i64, i64* [[IDX2]], align 8
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i64 [[V1]], [[V2]]
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; CHECK-NEXT: br label [[SPLIT:%.*]]
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; CHECK: split:
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; CHECK-NEXT: [[X:%.*]] = load volatile i32, i32* @c, align 4
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; CHECK-NEXT: br i1 [[CMP]], label [[IF:%.*]], label [[EXIT:%.*]]
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; CHECK: if:
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; CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[X]], 0
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; CHECK-NEXT: br label [[EXIT]]
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; CHECK: exit:
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; CHECK-NEXT: [[P:%.*]] = phi i1 [ false, [[SPLIT]] ], [ [[TOBOOL]], [[IF]] ]
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; CHECK-NEXT: ret i1 [[P]]
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;
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entry:
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%g = alloca [8 x i64], align 16
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%idx1 = getelementptr inbounds [8 x i64], [8 x i64]* %g, i64 0, i64 0
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%v1 = load i64, i64* %idx1, align 8
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%idx2 = getelementptr inbounds [8 x i64], [8 x i64]* %g, i64 0, i64 0
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%v2 = load i64, i64* %idx2, align 8
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%cmp = icmp eq i64 %v1, %v2
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br label %split
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split:
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%x = load volatile i32, i32* @c, align 4
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br i1 %cmp, label %if, label %exit
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if:
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%tobool = icmp ne i32 %x, 0
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br label %exit
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exit:
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%p = phi i1 [ false, %split ], [ %tobool, %if ]
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ret i1 %p
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}
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