21 lines
774 B
LLVM
21 lines
774 B
LLVM
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; RUN: llc -verify-machineinstrs -mcpu=g5 < %s | FileCheck %s
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target datalayout = "E-m:e-i64:64-n32:64"
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target triple = "powerpc64-unknown-linux-gnu"
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define i32 @_ZNK4llvm5APInt17countLeadingZerosEv(i64 *%t) nounwind {
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%tmp19 = load i64, i64* %t
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%tmp22 = tail call i64 @llvm.ctlz.i64( i64 %tmp19, i1 true ) ; <i64> [#uses=1]
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%tmp23 = trunc i64 %tmp22 to i32
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%tmp89 = add i32 %tmp23, -64 ; <i32> [#uses=1]
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%tmp90 = add i32 %tmp89, 0 ; <i32> [#uses=1]
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ret i32 %tmp90
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; CHECK-LABEL: @_ZNK4llvm5APInt17countLeadingZerosEv
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; CHECK: ld [[REG1:[0-9]+]], 0(3)
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; CHECK-NEXT: cntlzd [[REG2:[0-9]+]], [[REG1]]
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; CHECK-NEXT: addi 3, [[REG2]], -64
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; CHECK-NEXT: blr
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}
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declare i64 @llvm.ctlz.i64(i64, i1)
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