1bad00adc4
This is a followup to https://github.com/llvm/llvm-project/pull/171288, which removed lowering of libcalls to SDAG nodes for most libcalls that get unconditionally canonicalized to intrinsics. This handles the remaining fabs case, which I originally skipped due to larger test impact.
25 lines
598 B
LLVM
25 lines
598 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 @llvm.fabs.f64( 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-NEXT: fabs f1, f1
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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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