1 ; RUN: opt -instcombine -S < %s | FileCheck %s 2 3 ; CHECK-LABEL: test_scalarize_phi 4 ; CHECK: fmul fast float 5 define void @test_scalarize_phi(i32 * %n, float * %inout) { 6 entry: 7 %0 = load volatile float, float * %inout, align 4 8 %splat.splatinsert = insertelement <4 x float> undef, float %0, i32 0 9 %splat.splat = shufflevector <4 x float> %splat.splatinsert, <4 x float> undef, <4 x i32> zeroinitializer 10 %splat.splatinsert1 = insertelement <4 x float> undef, float 3.0, i32 0 11 br label %for.cond 12 13 for.cond: 14 %x.0 = phi <4 x float> [ %splat.splat, %entry ], [ %mul, %for.body ] 15 %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ] 16 %1 = load i32, i32 * %n, align 4 17 %cmp = icmp ne i32 %i.0, %1 18 br i1 %cmp, label %for.body, label %for.end 19 20 for.body: 21 %2 = extractelement <4 x float> %x.0, i32 1 22 store volatile float %2, float * %inout, align 4 23 %mul = fmul fast <4 x float> %x.0, <float 0x4002A3D700000000, float 0x4002A3D700000000, float 0x4002A3D700000000, float 0x4002A3D700000000> 24 %inc = add nsw i32 %i.0, 1 25 br label %for.cond 26 27 for.end: 28 ret void 29 } 30 31 ; CHECK-LABEL: test_extract_element_fastmath 32 ; CHECK: fadd fast float 33 define float @test_extract_element_fastmath(<4 x float> %x) #0 { 34 entry: 35 %add = fadd fast <4 x float> %x, <float 0x4002A3D700000000, float 0x4002A3D700000000, float 0x4002A3D700000000, float 0x4002A3D700000000> 36 %0 = extractelement <4 x float> %add, i32 2 37 ret float %0 38 } 39 40
