1; Test conversions between different-sized float elements. 2; 3; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s 4 5declare <2 x float> @llvm.experimental.constrained.fptrunc.v2f32.v2f64(<2 x double>, metadata, metadata) 6declare float @llvm.experimental.constrained.fptrunc.f32.f64(double, metadata, metadata) 7 8declare <2 x double> @llvm.experimental.constrained.fpext.v2f64.v2f32(<2 x float>, metadata) 9declare double @llvm.experimental.constrained.fpext.f64.f32(float, metadata) 10 11; Test cases where both elements of a v2f64 are converted to f32s. 12define void @f1(<2 x double> %val, <2 x float> *%ptr) #0 { 13; CHECK-LABEL: f1: 14; CHECK: vledb {{%v[0-9]+}}, %v24, 0, 0 15; CHECK: br %r14 16 %res = call <2 x float> @llvm.experimental.constrained.fptrunc.v2f32.v2f64( 17 <2 x double> %val, 18 metadata !"round.dynamic", 19 metadata !"fpexcept.strict") #0 20 store <2 x float> %res, <2 x float> *%ptr 21 ret void 22} 23 24; Test conversion of an f64 in a vector register to an f32. 25define float @f2(<2 x double> %vec) #0 { 26; CHECK-LABEL: f2: 27; CHECK: wledb %f0, %v24, 0, 0 28; CHECK: br %r14 29 %scalar = extractelement <2 x double> %vec, i32 0 30 %ret = call float @llvm.experimental.constrained.fptrunc.f32.f64( 31 double %scalar, 32 metadata !"round.dynamic", 33 metadata !"fpexcept.strict") #0 34 ret float %ret 35} 36 37; Test cases where even elements of a v4f32 are converted to f64s. 38define <2 x double> @f3(<4 x float> %vec) #0 { 39; CHECK-LABEL: f3: 40; CHECK: vldeb %v24, {{%v[0-9]+}} 41; CHECK: br %r14 42 %shuffle = shufflevector <4 x float> %vec, <4 x float> undef, <2 x i32> <i32 0, i32 2> 43 %res = call <2 x double> @llvm.experimental.constrained.fpext.v2f64.v2f32( 44 <2 x float> %shuffle, 45 metadata !"fpexcept.strict") #0 46 ret <2 x double> %res 47} 48 49; Test conversion of an f32 in a vector register to an f64. 50define double @f4(<4 x float> %vec) #0 { 51; CHECK-LABEL: f4: 52; CHECK: wldeb %f0, %v24 53; CHECK: br %r14 54 %scalar = extractelement <4 x float> %vec, i32 0 55 %ret = call double @llvm.experimental.constrained.fpext.f64.f32( 56 float %scalar, 57 metadata !"fpexcept.strict") #0 58 ret double %ret 59} 60 61attributes #0 = { strictfp } 62