28 lines
861 B
LLVM
28 lines
861 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -verify-machineinstrs -mtriple=powerpc-unknown-aix \
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; RUN: --ppc-asm-full-reg-names -mcpu=pwr7 < %s | FileCheck %s
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define i64 @test_cmpb(i64 %a, i64 %b) {
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; CHECK-LABEL: test_cmpb:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: cmpb r4, r4, r6
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; CHECK-NEXT: cmpb r3, r3, r5
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; CHECK-NEXT: blr
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entry:
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%0 = trunc i64 %a to i32
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%1 = trunc i64 %b to i32
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%2 = lshr i64 %a, 32
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%3 = trunc i64 %2 to i32
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%4 = lshr i64 %b, 32
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%5 = trunc i64 %4 to i32
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%cmpb = tail call i32 @llvm.ppc.cmpb.i32.i32.i32(i32 %0, i32 %1)
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%6 = zext i32 %cmpb to i64
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%cmpb1 = tail call i32 @llvm.ppc.cmpb.i32.i32.i32(i32 %3, i32 %5)
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%7 = zext i32 %cmpb1 to i64
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%8 = shl nuw i64 %7, 32
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%9 = or i64 %8, %6
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ret i64 %9
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}
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declare i32 @llvm.ppc.cmpb.i32.i32.i32(i32, i32)
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