1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-unknown \ 3; RUN: -mcpu=pwr6 -ppc-asm-full-reg-names -mattr=-vsx \ 4; RUN: -ppc-vsr-nums-as-vr < %s | FileCheck %s 5 6; There is code in the SDAG to expand FMAX/FMIN with fast flags to SELECT_CC. 7; On PPC, we had SELECT_CC legalized using Promote for all vector types 8; (including the type that they are all promoted to - which caused an infinite 9; loop in legalization). This test just ensures that we terminate on such input. 10define dso_local void @_ZN1a1bEv(<4 x float> %in) local_unnamed_addr #0 align 2 { 11; CHECK-LABEL: _ZN1a1bEv: 12; CHECK: # %bb.0: 13; CHECK-NEXT: bc 12, 4*cr5+lt, .LBB0_6 14; CHECK-NEXT: b .LBB0_1 15; CHECK-NEXT: .LBB0_1: # %.preheader 16; CHECK-NEXT: b .LBB0_2 17; CHECK-NEXT: .LBB0_2: 18; CHECK-NEXT: b .LBB0_3 19; CHECK-NEXT: .LBB0_3: 20; CHECK-NEXT: addis r3, r2, .LCPI0_0@toc@ha 21; CHECK-NEXT: addi r3, r3, .LCPI0_0@toc@l 22; CHECK-NEXT: lvx v3, 0, r3 23; CHECK-NEXT: vperm v2, v2, v2, v3 24; CHECK-NEXT: vxor v3, v3, v3 25; CHECK-NEXT: addi r3, r1, -48 26; CHECK-NEXT: stvx v3, 0, r3 27; CHECK-NEXT: addi r3, r1, -32 28; CHECK-NEXT: stvx v2, 0, r3 29; CHECK-NEXT: lwz r3, -48(r1) 30; CHECK-NEXT: lwz r4, -32(r1) 31; CHECK-NEXT: cmpw r4, r3 32; CHECK-NEXT: bc 12, gt, .LBB0_4 33; CHECK-NEXT: b .LBB0_5 34; CHECK-NEXT: .LBB0_4: 35; CHECK-NEXT: addi r3, r4, 0 36; CHECK-NEXT: .LBB0_5: 37; CHECK-NEXT: cmpw r3, r3 38; CHECK-NEXT: stw r3, -64(r1) 39; CHECK-NEXT: addi r3, r1, -64 40; CHECK-NEXT: lvx v2, 0, r3 41; CHECK-NEXT: addi r3, r1, -16 42; CHECK-NEXT: stvx v2, 0, r3 43; CHECK-NEXT: .LBB0_6: 44; CHECK-NEXT: blr 45 br i1 undef, label %7, label %1 46 471: ; preds = %1, %0 48 br i1 undef, label %2, label %1 49 502: ; preds = %1 51 %3 = shufflevector <4 x float> %in, <4 x float> undef, <4 x i32> <i32 2, i32 3, i32 1, i32 0> 52 %4 = call fast <4 x float> @llvm.maxnum.v4f32(<4 x float> %3, <4 x float> zeroinitializer) 53 %5 = call fast <4 x float> @llvm.maxnum.v4f32(<4 x float> %4, <4 x float> undef) 54 %6 = extractelement <4 x float> %5, i32 0 55 br label %7 56 577: ; preds = %2, %0 58 %8 = phi float [ %6, %2 ], [ undef, %0 ] 59 %9 = fcmp fast une float %8, 0.000000e+00 60 ret void 61} 62 63declare <4 x float> @llvm.maxnum.v4f32(<4 x float>, <4 x float>) #0 64 65attributes #0 = { nounwind optnone noinline } 66