1; Test strict conversions of unsigned i32s to floating-point values (z10 only). 2; 3; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s 4 5declare float @llvm.experimental.constrained.uitofp.f32.i32(i32, metadata, metadata) 6declare double @llvm.experimental.constrained.uitofp.f64.i32(i32, metadata, metadata) 7declare fp128 @llvm.experimental.constrained.uitofp.f128.i32(i32, metadata, metadata) 8 9; Check i32->f32. There is no native instruction, so we must promote 10; to i64 first. 11define float @f1(i32 %i) #0 { 12; CHECK-LABEL: f1: 13; CHECK: llgfr [[REGISTER:%r[0-5]]], %r2 14; CHECK: cegbr %f0, [[REGISTER]] 15; CHECK: br %r14 16 %conv = call float @llvm.experimental.constrained.uitofp.f32.i32(i32 %i, 17 metadata !"round.dynamic", 18 metadata !"fpexcept.strict") #0 19 ret float %conv 20} 21 22; Check i32->f64. 23define double @f2(i32 %i) #0 { 24; CHECK-LABEL: f2: 25; CHECK: llgfr [[REGISTER:%r[0-5]]], %r2 26; CHECK: cdgbr %f0, [[REGISTER]] 27; CHECK: br %r14 28 %conv = call double @llvm.experimental.constrained.uitofp.f64.i32(i32 %i, 29 metadata !"round.dynamic", 30 metadata !"fpexcept.strict") #0 31 ret double %conv 32} 33 34; Check i32->f128. 35define void @f3(i32 %i, fp128 *%dst) #0 { 36; CHECK-LABEL: f3: 37; CHECK: llgfr [[REGISTER:%r[0-5]]], %r2 38; CHECK: cxgbr %f0, [[REGISTER]] 39; CHECK: std %f0, 0(%r3) 40; CHECK: std %f2, 8(%r3) 41; CHECK: br %r14 42 %conv = call fp128 @llvm.experimental.constrained.uitofp.f128.i32(i32 %i, 43 metadata !"round.dynamic", 44 metadata !"fpexcept.strict") #0 45 store fp128 %conv, fp128 *%dst 46 ret void 47} 48 49attributes #0 = { strictfp } 50