; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx | FileCheck %s define <2 x double> @fabs_v2f64(<2 x double> %p) { ; CHECK-LABEL: fabs_v2f64 ; CHECK: vandpd %t = call <2 x double> @llvm.fabs.v2f64(<2 x double> %p) ret <2 x double> %t } declare <2 x double> @llvm.fabs.v2f64(<2 x double> %p) define <4 x float> @fabs_v4f32(<4 x float> %p) { ; CHECK-LABEL: fabs_v4f32 ; CHECK: vandps %t = call <4 x float> @llvm.fabs.v4f32(<4 x float> %p) ret <4 x float> %t } declare <4 x float> @llvm.fabs.v4f32(<4 x float> %p) define <4 x double> @fabs_v4f64(<4 x double> %p) { ; CHECK-LABEL: fabs_v4f64 ; CHECK: vandpd %t = call <4 x double> @llvm.fabs.v4f64(<4 x double> %p) ret <4 x double> %t } declare <4 x double> @llvm.fabs.v4f64(<4 x double> %p) define <8 x float> @fabs_v8f32(<8 x float> %p) { ; CHECK-LABEL: fabs_v8f32 ; CHECK: vandps %t = call <8 x float> @llvm.fabs.v8f32(<8 x float> %p) ret <8 x float> %t } declare <8 x float> @llvm.fabs.v8f32(<8 x float> %p) ; PR20354: when generating code for a vector fabs op, ; make sure that we're only turning off the sign bit of each float value. ; No constant pool loads or vector ops are needed for the fabs of a ; bitcasted integer constant; we should just return an integer constant ; that has the sign bits turned off. ; ; So instead of something like this: ; movabsq (constant pool load of mask for sign bits) ; vmovq (move from integer register to vector/fp register) ; vandps (mask off sign bits) ; vmovq (move vector/fp register back to integer return register) ; ; We should generate: ; mov (put constant value in return register) define i64 @fabs_v2f32_1() { ; CHECK-LABEL: fabs_v2f32_1: ; CHECK: movabsq $9223372032559808512, %rax # imm = 0x7FFFFFFF00000000 ; CHECK-NEXT: retq %bitcast = bitcast i64 18446744069414584320 to <2 x float> ; 0xFFFF_FFFF_0000_0000 %fabs = call <2 x float> @llvm.fabs.v2f32(<2 x float> %bitcast) %ret = bitcast <2 x float> %fabs to i64 ret i64 %ret } define i64 @fabs_v2f32_2() { ; CHECK-LABEL: fabs_v2f32_2: ; CHECK: movl $2147483647, %eax # imm = 0x7FFFFFFF ; CHECK-NEXT: retq %bitcast = bitcast i64 4294967295 to <2 x float> ; 0x0000_0000_FFFF_FFFF %fabs = call <2 x float> @llvm.fabs.v2f32(<2 x float> %bitcast) %ret = bitcast <2 x float> %fabs to i64 ret i64 %ret } declare <2 x float> @llvm.fabs.v2f32(<2 x float> %p)