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1; RUN: llc < %s -mtriple=armv7-eabi -float-abi=hard -mcpu=cortex-a8 | FileCheck %s2 3; CHECK-LABEL: test:4; CHECK: vabs.f32 q0, q05define <4 x float> @test(<4 x float> %a) {6 %foo = call <4 x float> @llvm.fabs.v4f32(<4 x float> %a)7 ret <4 x float> %foo8}9declare <4 x float> @llvm.fabs.v4f32(<4 x float> %a)10 11; CHECK-LABEL: test2:12; CHECK: vabs.f32 d0, d013define <2 x float> @test2(<2 x float> %a) {14 %foo = call <2 x float> @llvm.fabs.v2f32(<2 x float> %a)15 ret <2 x float> %foo16}17declare <2 x float> @llvm.fabs.v2f32(<2 x float> %a)18 19; No constant pool loads or vector ops are needed for the fabs of a20; bitcasted integer constant; we should just return integer constants21; that have the sign bits turned off.22;23; So instead of something like this:24; mvn r0, #025; mov r1, #026; vmov d16, r1, r027; vabs.f32 d16, d1628; vmov r0, r1, d1629; bx lr30;31; We should generate:32; mov r0, #033; mvn r1, #-214748364834; bx lr35 36define i64 @fabs_v2f32_1() {37; CHECK-LABEL: fabs_v2f32_1:38; CHECK: mvn r1, #-214748364839; CHECK: bx lr40; CHECK-NOT: vabs41 %bitcast = bitcast i64 18446744069414584320 to <2 x float> ; 0xFFFF_FFFF_0000_000042 %fabs = call <2 x float> @llvm.fabs.v2f32(<2 x float> %bitcast)43 %ret = bitcast <2 x float> %fabs to i6444 ret i64 %ret45}46 47define i64 @fabs_v2f32_2() {48; CHECK-LABEL: fabs_v2f32_2:49; CHECK: mvn r0, #-214748364850; CHECK: bx lr51; CHECK-NOT: vabs52 %bitcast = bitcast i64 4294967295 to <2 x float> ; 0x0000_0000_FFFF_FFFF53 %fabs = call <2 x float> @llvm.fabs.v2f32(<2 x float> %bitcast)54 %ret = bitcast <2 x float> %fabs to i6455 ret i64 %ret56}57