113 lines · plain
1; Test strict conversions of unsigned integers to floating-point values2; (z196 and above).3;4; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s5 6declare half @llvm.experimental.constrained.uitofp.f16.i32(i32, metadata, metadata)7declare float @llvm.experimental.constrained.uitofp.f32.i32(i32, metadata, metadata)8declare double @llvm.experimental.constrained.uitofp.f64.i32(i32, metadata, metadata)9declare fp128 @llvm.experimental.constrained.uitofp.f128.i32(i32, metadata, metadata)10 11declare half @llvm.experimental.constrained.uitofp.f16.i64(i64, metadata, metadata)12declare float @llvm.experimental.constrained.uitofp.f32.i64(i64, metadata, metadata)13declare double @llvm.experimental.constrained.uitofp.f64.i64(i64, metadata, metadata)14declare fp128 @llvm.experimental.constrained.uitofp.f128.i64(i64, metadata, metadata)15 16; Check i32->f16.17define half @f0(i32 %i) #0 {18; CHECK-LABEL: f0:19; CHECK: celfbr %f0, 0, %r2, 020; CHECK-NEXT: brasl %r14, __truncsfhf2@PLT21; CHECK: br %r1422 %conv = call half @llvm.experimental.constrained.uitofp.f16.i32(i32 %i,23 metadata !"round.dynamic",24 metadata !"fpexcept.strict") #025 ret half %conv26}27 28; Check i32->f32.29define float @f1(i32 %i) #0 {30; CHECK-LABEL: f1:31; CHECK: celfbr %f0, 0, %r2, 032; CHECK: br %r1433 %conv = call float @llvm.experimental.constrained.uitofp.f32.i32(i32 %i,34 metadata !"round.dynamic",35 metadata !"fpexcept.strict") #036 ret float %conv37}38 39; Check i32->f64.40define double @f2(i32 %i) #0 {41; CHECK-LABEL: f2:42; CHECK: cdlfbr %f0, 0, %r2, 043; CHECK: br %r1444 %conv = call double @llvm.experimental.constrained.uitofp.f64.i32(i32 %i,45 metadata !"round.dynamic",46 metadata !"fpexcept.strict") #047 ret double %conv48}49 50; Check i32->f128.51define void @f3(i32 %i, ptr %dst) #0 {52; CHECK-LABEL: f3:53; CHECK: cxlfbr %f0, 0, %r2, 054; CHECK-DAG: std %f0, 0(%r3)55; CHECK-DAG: std %f2, 8(%r3)56; CHECK: br %r1457 %conv = call fp128 @llvm.experimental.constrained.uitofp.f128.i32(i32 %i,58 metadata !"round.dynamic",59 metadata !"fpexcept.strict") #060 store fp128 %conv, ptr %dst61 ret void62}63 64; Check i64->f16.65define half @f4(i64 %i) #0 {66; CHECK-LABEL: f4:67; CHECK: celgbr %f0, 0, %r2, 068; CHECK-NEXT: brasl %r14, __truncsfhf2@PLT69; CHECK: br %r1470 %conv = call half @llvm.experimental.constrained.uitofp.f16.i64(i64 %i,71 metadata !"round.dynamic",72 metadata !"fpexcept.strict") #073 ret half %conv74}75 76; Check i64->f32.77define float @f5(i64 %i) #0 {78; CHECK-LABEL: f5:79; CHECK: celgbr %f0, 0, %r2, 080; CHECK: br %r1481 %conv = call float @llvm.experimental.constrained.uitofp.f32.i64(i64 %i,82 metadata !"round.dynamic",83 metadata !"fpexcept.strict") #084 ret float %conv85}86 87; Check i64->f64.88define double @f6(i64 %i) #0 {89; CHECK-LABEL: f6:90; CHECK: cdlgbr %f0, 0, %r2, 091; CHECK: br %r1492 %conv = call double @llvm.experimental.constrained.uitofp.f64.i64(i64 %i,93 metadata !"round.dynamic",94 metadata !"fpexcept.strict") #095 ret double %conv96}97 98; Check i64->f128.99define void @f7(i64 %i, ptr %dst) #0 {100; CHECK-LABEL: f7:101; CHECK: cxlgbr %f0, 0, %r2, 0102; CHECK-DAG: std %f0, 0(%r3)103; CHECK-DAG: std %f2, 8(%r3)104; CHECK: br %r14105 %conv = call fp128 @llvm.experimental.constrained.uitofp.f128.i64(i64 %i,106 metadata !"round.dynamic",107 metadata !"fpexcept.strict") #0108 store fp128 %conv, ptr %dst109 ret void110}111 112attributes #0 = { strictfp }113