35 lines
1.2 KiB
LLVM
35 lines
1.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -mergeicmps -opaque-pointers < %s | FileCheck %s
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target triple = "x86_64-unknown-unknown"
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%S = type { i32, i32 }
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define i1 @test(ptr dereferenceable(8) %a, ptr dereferenceable(8) %b) {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: "entry+land.rhs.i":
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; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(ptr [[A:%.*]], ptr [[B:%.*]], i64 8)
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; CHECK-NEXT: [[TMP0:%.*]] = icmp eq i32 [[MEMCMP]], 0
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; CHECK-NEXT: br label [[OPEQ1_EXIT:%.*]]
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; CHECK: opeq1.exit:
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; CHECK-NEXT: ret i1 [[TMP0]]
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;
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entry:
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%v0 = load i32, ptr %a, align 4
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%v1 = load i32, ptr %b, align 4
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%cmp.i = icmp eq i32 %v0, %v1
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br i1 %cmp.i, label %land.rhs.i, label %opeq1.exit
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land.rhs.i: ; preds = %entry
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%second.i = getelementptr inbounds %S, ptr %a, i64 0, i32 1
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%v2 = load i32, ptr %second.i, align 4
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%second2.i = getelementptr inbounds %S, ptr %b, i64 0, i32 1
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%v3 = load i32, ptr %second2.i, align 4
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%cmp3.i = icmp eq i32 %v2, %v3
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br label %opeq1.exit
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opeq1.exit: ; preds = %land.rhs.i, %entry
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%phi = phi i1 [ false, %entry ], [ %cmp3.i, %land.rhs.i ]
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ret i1 %phi
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}
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