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Nov 5, 2025
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[PowerPC][NFC] auto gen checks vec rounding tests #166435

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195 changes: 137 additions & 58 deletions llvm/test/CodeGen/PowerPC/vec_rounding.ll
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Original file line number Diff line number Diff line change
@@ -1,172 +1,251 @@
; RUN: llc -verify-machineinstrs -mcpu=pwr6 -mattr=+altivec < %s | FileCheck %s
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu \
; RUN: -mcpu=pwr6 -mattr=+altivec < %s | FileCheck %s

; Check vector round to single-precision toward -infinity (vrfim)
; instruction generation using Altivec.

target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64"
target triple = "powerpc64-unknown-linux-gnu"

declare <2 x double> @llvm.floor.v2f64(<2 x double> %p)
define <2 x double> @floor_v2f64(<2 x double> %p)
; CHECK-LABEL: floor_v2f64:
; CHECK: # %bb.0:
; CHECK-NEXT: frim 1, 1
; CHECK-NEXT: frim 2, 2
; CHECK-NEXT: blr
{
%t = call <2 x double> @llvm.floor.v2f64(<2 x double> %p)
ret <2 x double> %t
}
; CHECK-LABEL: floor_v2f64:
; CHECK: frim
; CHECK: frim

declare <4 x double> @llvm.floor.v4f64(<4 x double> %p)
define <4 x double> @floor_v4f64(<4 x double> %p)
; CHECK-LABEL: floor_v4f64:
; CHECK: # %bb.0:
; CHECK-NEXT: frim 1, 1
; CHECK-NEXT: frim 2, 2
; CHECK-NEXT: frim 3, 3
; CHECK-NEXT: frim 4, 4
; CHECK-NEXT: blr
{
%t = call <4 x double> @llvm.floor.v4f64(<4 x double> %p)
ret <4 x double> %t
}
; CHECK-LABEL: floor_v4f64:
; CHECK: frim
; CHECK: frim
; CHECK: frim
; CHECK: frim

declare <2 x double> @llvm.ceil.v2f64(<2 x double> %p)
define <2 x double> @ceil_v2f64(<2 x double> %p)
; CHECK-LABEL: ceil_v2f64:
; CHECK: # %bb.0:
; CHECK-NEXT: frip 1, 1
; CHECK-NEXT: frip 2, 2
; CHECK-NEXT: blr
{
%t = call <2 x double> @llvm.ceil.v2f64(<2 x double> %p)
ret <2 x double> %t
}
; CHECK-LABEL: ceil_v2f64:
; CHECK: frip
; CHECK: frip

declare <4 x double> @llvm.ceil.v4f64(<4 x double> %p)
define <4 x double> @ceil_v4f64(<4 x double> %p)
; CHECK-LABEL: ceil_v4f64:
; CHECK: # %bb.0:
; CHECK-NEXT: frip 1, 1
; CHECK-NEXT: frip 2, 2
; CHECK-NEXT: frip 3, 3
; CHECK-NEXT: frip 4, 4
; CHECK-NEXT: blr
{
%t = call <4 x double> @llvm.ceil.v4f64(<4 x double> %p)
ret <4 x double> %t
}
; CHECK-LABEL: ceil_v4f64:
; CHECK: frip
; CHECK: frip
; CHECK: frip
; CHECK: frip

declare <2 x double> @llvm.trunc.v2f64(<2 x double> %p)
define <2 x double> @trunc_v2f64(<2 x double> %p)
; CHECK-LABEL: trunc_v2f64:
; CHECK: # %bb.0:
; CHECK-NEXT: friz 1, 1
; CHECK-NEXT: friz 2, 2
; CHECK-NEXT: blr
{
%t = call <2 x double> @llvm.trunc.v2f64(<2 x double> %p)
ret <2 x double> %t
}
; CHECK-LABEL: trunc_v2f64:
; CHECK: friz
; CHECK: friz

declare <4 x double> @llvm.trunc.v4f64(<4 x double> %p)
define <4 x double> @trunc_v4f64(<4 x double> %p)
; CHECK-LABEL: trunc_v4f64:
; CHECK: # %bb.0:
; CHECK-NEXT: friz 1, 1
; CHECK-NEXT: friz 2, 2
; CHECK-NEXT: friz 3, 3
; CHECK-NEXT: friz 4, 4
; CHECK-NEXT: blr
{
%t = call <4 x double> @llvm.trunc.v4f64(<4 x double> %p)
ret <4 x double> %t
}
; CHECK-LABEL: trunc_v4f64:
; CHECK: friz
; CHECK: friz
; CHECK: friz
; CHECK: friz

declare <2 x double> @llvm.nearbyint.v2f64(<2 x double> %p)
define <2 x double> @nearbyint_v2f64(<2 x double> %p)
define <2 x double> @nearbyint_v2f64(<2 x double> %p) nounwind
; CHECK-LABEL: nearbyint_v2f64:
; CHECK: # %bb.0:
; CHECK-NEXT: mflr 0
; CHECK-NEXT: stdu 1, -128(1)
; CHECK-NEXT: std 0, 144(1)
; CHECK-NEXT: stfd 30, 112(1) # 8-byte Folded Spill
; CHECK-NEXT: stfd 31, 120(1) # 8-byte Folded Spill
; CHECK-NEXT: fmr 31, 2
; CHECK-NEXT: bl nearbyint
; CHECK-NEXT: nop
; CHECK-NEXT: fmr 30, 1
; CHECK-NEXT: fmr 1, 31
; CHECK-NEXT: bl nearbyint
; CHECK-NEXT: nop
; CHECK-NEXT: fmr 2, 1
; CHECK-NEXT: fmr 1, 30
; CHECK-NEXT: lfd 31, 120(1) # 8-byte Folded Reload
; CHECK-NEXT: lfd 30, 112(1) # 8-byte Folded Reload
; CHECK-NEXT: addi 1, 1, 128
; CHECK-NEXT: ld 0, 16(1)
; CHECK-NEXT: mtlr 0
; CHECK-NEXT: blr
{
%t = call <2 x double> @llvm.nearbyint.v2f64(<2 x double> %p)
ret <2 x double> %t
}
; CHECK-LABEL: nearbyint_v2f64:
; CHECK: bl nearbyint
; CHECK: bl nearbyint

declare <4 x double> @llvm.nearbyint.v4f64(<4 x double> %p)
define <4 x double> @nearbyint_v4f64(<4 x double> %p)
define <4 x double> @nearbyint_v4f64(<4 x double> %p) nounwind
; CHECK-LABEL: nearbyint_v4f64:
; CHECK: # %bb.0:
; CHECK-NEXT: mflr 0
; CHECK-NEXT: stdu 1, -144(1)
; CHECK-NEXT: std 0, 160(1)
; CHECK-NEXT: stfd 28, 112(1) # 8-byte Folded Spill
; CHECK-NEXT: stfd 29, 120(1) # 8-byte Folded Spill
; CHECK-NEXT: fmr 29, 2
; CHECK-NEXT: stfd 30, 128(1) # 8-byte Folded Spill
; CHECK-NEXT: fmr 30, 3
; CHECK-NEXT: stfd 31, 136(1) # 8-byte Folded Spill
; CHECK-NEXT: fmr 31, 4
; CHECK-NEXT: bl nearbyint
; CHECK-NEXT: nop
; CHECK-NEXT: fmr 28, 1
; CHECK-NEXT: fmr 1, 29
; CHECK-NEXT: bl nearbyint
; CHECK-NEXT: nop
; CHECK-NEXT: fmr 29, 1
; CHECK-NEXT: fmr 1, 30
; CHECK-NEXT: bl nearbyint
; CHECK-NEXT: nop
; CHECK-NEXT: fmr 30, 1
; CHECK-NEXT: fmr 1, 31
; CHECK-NEXT: bl nearbyint
; CHECK-NEXT: nop
; CHECK-NEXT: fmr 4, 1
; CHECK-NEXT: fmr 1, 28
; CHECK-NEXT: lfd 31, 136(1) # 8-byte Folded Reload
; CHECK-NEXT: lfd 28, 112(1) # 8-byte Folded Reload
; CHECK-NEXT: fmr 2, 29
; CHECK-NEXT: fmr 3, 30
; CHECK-NEXT: lfd 30, 128(1) # 8-byte Folded Reload
; CHECK-NEXT: lfd 29, 120(1) # 8-byte Folded Reload
; CHECK-NEXT: addi 1, 1, 144
; CHECK-NEXT: ld 0, 16(1)
; CHECK-NEXT: mtlr 0
; CHECK-NEXT: blr
{
%t = call <4 x double> @llvm.nearbyint.v4f64(<4 x double> %p)
ret <4 x double> %t
}
; CHECK-LABEL: nearbyint_v4f64:
; CHECK: bl nearbyint
; CHECK: bl nearbyint
; CHECK: bl nearbyint
; CHECK: bl nearbyint


declare <4 x float> @llvm.floor.v4f32(<4 x float> %p)
define <4 x float> @floor_v4f32(<4 x float> %p)
; CHECK-LABEL: floor_v4f32:
; CHECK: # %bb.0:
; CHECK-NEXT: vrfim 2, 2
; CHECK-NEXT: blr
{
%t = call <4 x float> @llvm.floor.v4f32(<4 x float> %p)
ret <4 x float> %t
}
; CHECK-LABEL: floor_v4f32:
; CHECK: vrfim

declare <8 x float> @llvm.floor.v8f32(<8 x float> %p)
define <8 x float> @floor_v8f32(<8 x float> %p)
; CHECK-LABEL: floor_v8f32:
; CHECK: # %bb.0:
; CHECK-NEXT: vrfim 2, 2
; CHECK-NEXT: vrfim 3, 3
; CHECK-NEXT: blr
{
%t = call <8 x float> @llvm.floor.v8f32(<8 x float> %p)
ret <8 x float> %t
}
; CHECK-LABEL: floor_v8f32:
; CHECK: vrfim
; CHECK: vrfim

declare <4 x float> @llvm.ceil.v4f32(<4 x float> %p)
define <4 x float> @ceil_v4f32(<4 x float> %p)
; CHECK-LABEL: ceil_v4f32:
; CHECK: # %bb.0:
; CHECK-NEXT: vrfip 2, 2
; CHECK-NEXT: blr
{
%t = call <4 x float> @llvm.ceil.v4f32(<4 x float> %p)
ret <4 x float> %t
}
; CHECK-LABEL: ceil_v4f32:
; CHECK: vrfip

declare <8 x float> @llvm.ceil.v8f32(<8 x float> %p)
define <8 x float> @ceil_v8f32(<8 x float> %p)
; CHECK-LABEL: ceil_v8f32:
; CHECK: # %bb.0:
; CHECK-NEXT: vrfip 2, 2
; CHECK-NEXT: vrfip 3, 3
; CHECK-NEXT: blr
{
%t = call <8 x float> @llvm.ceil.v8f32(<8 x float> %p)
ret <8 x float> %t
}
; CHECK-LABEL: ceil_v8f32:
; CHECK: vrfip
; CHECK: vrfip

declare <4 x float> @llvm.trunc.v4f32(<4 x float> %p)
define <4 x float> @trunc_v4f32(<4 x float> %p)
; CHECK-LABEL: trunc_v4f32:
; CHECK: # %bb.0:
; CHECK-NEXT: vrfiz 2, 2
; CHECK-NEXT: blr
{
%t = call <4 x float> @llvm.trunc.v4f32(<4 x float> %p)
ret <4 x float> %t
}
; CHECK-LABEL: trunc_v4f32:
; CHECK: vrfiz

declare <8 x float> @llvm.trunc.v8f32(<8 x float> %p)
define <8 x float> @trunc_v8f32(<8 x float> %p)
; CHECK-LABEL: trunc_v8f32:
; CHECK: # %bb.0:
; CHECK-NEXT: vrfiz 2, 2
; CHECK-NEXT: vrfiz 3, 3
; CHECK-NEXT: blr
{
%t = call <8 x float> @llvm.trunc.v8f32(<8 x float> %p)
ret <8 x float> %t
}
; CHECK-LABEL: trunc_v8f32:
; CHECK: vrfiz
; CHECK: vrfiz

declare <4 x float> @llvm.nearbyint.v4f32(<4 x float> %p)
define <4 x float> @nearbyint_v4f32(<4 x float> %p)
; CHECK-LABEL: nearbyint_v4f32:
; CHECK: # %bb.0:
; CHECK-NEXT: vrfin 2, 2
; CHECK-NEXT: blr
{
%t = call <4 x float> @llvm.nearbyint.v4f32(<4 x float> %p)
ret <4 x float> %t
}
; CHECK-LABEL: nearbyint_v4f32:
; CHECK: vrfin

declare <8 x float> @llvm.nearbyint.v8f32(<8 x float> %p)
define <8 x float> @nearbyint_v8f32(<8 x float> %p)
; CHECK-LABEL: nearbyint_v8f32:
; CHECK: # %bb.0:
; CHECK-NEXT: vrfin 2, 2
; CHECK-NEXT: vrfin 3, 3
; CHECK-NEXT: blr
{
%t = call <8 x float> @llvm.nearbyint.v8f32(<8 x float> %p)
ret <8 x float> %t
}
; CHECK-LABEL: nearbyint_v8f32:
; CHECK: vrfin
; CHECK: vrfin