30 lines
757 B
LLVM
30 lines
757 B
LLVM
; RUN: llc -verify-machineinstrs -ppc-asm-full-reg-names < %s -mattr=-vsx -mtriple=powerpc-unknown-linux-gnu | FileCheck %s
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define double @fabs(double %f) {
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; CHECK-LABEL: fabs:
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; CHECK: # %bb.0:
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; CHECK-NEXT: fabs f1, f1
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; CHECK-NEXT: blr
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;
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%t = tail call double @fabs( double %f ) readnone
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ret double %t
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}
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define float @bitcast_fabs(float %x) {
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; CHECK-LABEL: bitcast_fabs:
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; CHECK: # %bb.0:
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; CHECK: stfs f1, 8(r1)
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; CHECK: lwz r3, 8(r1)
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; CHECK-NEXT: clrlwi r3, r3, 1
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; CHECK-NEXT: stw r3, 12(r1)
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; CHECK-NEXT: lfs f1, 12(r1)
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; CHECK-NEXT: addi r1, r1, 16
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; CHECK-NEXT: blr
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;
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%bc1 = bitcast float %x to i32
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%and = and i32 %bc1, 2147483647
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%bc2 = bitcast i32 %and to float
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ret float %bc2
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}
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