30 lines
986 B
LLVM
30 lines
986 B
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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declare signext i32 @bcmp(i8* nocapture, i8* nocapture, i64)
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define zeroext i1 @test_bcmp_eq_0(i8* nocapture readonly %A, i8* nocapture readonly %B) {
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; CHECK-LABEL: test_bcmp_eq_0:
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; CHECK: # %bb.0:
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; CHECK-NEXT: clc 0(2,%r3), 0(%r2)
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; CHECK-NEXT: ipm %r0
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; CHECK-NEXT: afi %r0, -268435456
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; CHECK-NEXT: risbg %r2, %r0, 63, 191, 33
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; CHECK-NEXT: br %r14
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%c = tail call signext i32 @bcmp(i8* %A, i8* %B, i64 2)
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%res = icmp eq i32 %c, 0
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ret i1 %res
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}
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define signext i32 @test_bcmp(i8* nocapture readonly %A, i8* nocapture readonly %B) {
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; CHECK-LABEL: test_bcmp:
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; CHECK: # %bb.0:
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; CHECK-NEXT: clc 0(2,%r3), 0(%r2)
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; CHECK-NEXT: ipm %r0
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; CHECK-NEXT: sllg %r0, %r0, 34
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; CHECK-NEXT: srag %r2, %r0, 62
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; CHECK-NEXT: br %r14
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%res = tail call signext i32 @bcmp(i8* %A, i8* %B, i64 2)
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ret i32 %res
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}
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