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126 lines
4.0 KiB
LLVM
126 lines
4.0 KiB
LLVM
; Test f128 floating-point strict conversion to/from integers on z14.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
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declare fp128 @llvm.experimental.constrained.sitofp.f128.i32(i32, metadata, metadata)
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declare fp128 @llvm.experimental.constrained.sitofp.f128.i64(i64, metadata, metadata)
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declare fp128 @llvm.experimental.constrained.uitofp.f128.i32(i32, metadata, metadata)
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declare fp128 @llvm.experimental.constrained.uitofp.f128.i64(i64, metadata, metadata)
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declare i32 @llvm.experimental.constrained.fptosi.i32.f128(fp128, metadata)
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declare i64 @llvm.experimental.constrained.fptosi.i64.f128(fp128, metadata)
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declare i32 @llvm.experimental.constrained.fptoui.i32.f128(fp128, metadata)
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declare i64 @llvm.experimental.constrained.fptoui.i64.f128(fp128, metadata)
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; Test signed i32->f128.
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define void @f1(i32 %i, ptr %dst) #0 {
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; CHECK-LABEL: f1:
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; CHECK: cxfbr %f0, %r2
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; CHECK: vmrhg %v0, %v0, %v2
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; CHECK: vst %v0, 0(%r3)
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; CHECK: br %r14
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%conv = call fp128 @llvm.experimental.constrained.sitofp.f128.i32(i32 %i,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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store fp128 %conv, ptr %dst
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ret void
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}
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; Test signed i64->f128.
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define void @f2(i64 %i, ptr %dst) #0 {
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; CHECK-LABEL: f2:
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; CHECK: cxgbr %f0, %r2
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; CHECK: vmrhg %v0, %v0, %v2
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; CHECK: vst %v0, 0(%r3)
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; CHECK: br %r14
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%conv = call fp128 @llvm.experimental.constrained.sitofp.f128.i64(i64 %i,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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store fp128 %conv, ptr %dst
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ret void
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}
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; Test unsigned i32->f128.
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define void @f3(i32 %i, ptr %dst) #0 {
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; CHECK-LABEL: f3:
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; CHECK: cxlfbr %f0, 0, %r2, 0
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; CHECK: vmrhg %v0, %v0, %v2
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; CHECK: vst %v0, 0(%r3)
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; CHECK: br %r14
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%conv = call fp128 @llvm.experimental.constrained.uitofp.f128.i32(i32 %i,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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store fp128 %conv, ptr %dst
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ret void
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}
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; Test unsigned i64->f128.
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define void @f4(i64 %i, ptr %dst) #0 {
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; CHECK-LABEL: f4:
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; CHECK: cxlgbr %f0, 0, %r2, 0
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; CHECK: vmrhg %v0, %v0, %v2
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; CHECK: vst %v0, 0(%r3)
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; CHECK: br %r14
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%conv = call fp128 @llvm.experimental.constrained.uitofp.f128.i64(i64 %i,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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store fp128 %conv, ptr %dst
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ret void
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}
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; Test signed f128->i32.
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define i32 @f5(ptr %src) #0 {
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; CHECK-LABEL: f5:
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; CHECK: vl %v0, 0(%r2)
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; CHECK: vrepg %v2, %v0, 1
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; CHECK: cfxbr %r2, 5, %f0
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; CHECK: br %r14
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%f = load fp128, ptr %src
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%conv = call i32 @llvm.experimental.constrained.fptosi.i32.f128(fp128 %f,
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metadata !"fpexcept.strict") #0
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ret i32 %conv
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}
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; Test signed f128->i64.
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define i64 @f6(ptr %src) #0 {
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; CHECK-LABEL: f6:
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; CHECK: vl %v0, 0(%r2)
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; CHECK: vrepg %v2, %v0, 1
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; CHECK: cgxbr %r2, 5, %f0
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; CHECK: br %r14
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%f = load fp128, ptr %src
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%conv = call i64 @llvm.experimental.constrained.fptosi.i64.f128(fp128 %f,
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metadata !"fpexcept.strict") #0
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ret i64 %conv
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}
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; Test unsigned f128->i32.
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define i32 @f7(ptr %src) #0 {
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; CHECK-LABEL: f7:
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; CHECK: vl %v0, 0(%r2)
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; CHECK: vrepg %v2, %v0, 1
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; CHECK: clfxbr %r2, 5, %f0, 0
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; CHECK: br %r14
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%f = load fp128, ptr %src
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%conv = call i32 @llvm.experimental.constrained.fptoui.i32.f128(fp128 %f,
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metadata !"fpexcept.strict") #0
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ret i32 %conv
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}
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; Test unsigned f128->i64.
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define i64 @f8(ptr %src) #0 {
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; CHECK-LABEL: f8:
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; CHECK: vl %v0, 0(%r2)
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; CHECK: vrepg %v2, %v0, 1
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; CHECK: clgxbr %r2, 5, %f0, 0
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; CHECK: br %r14
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%f = load fp128, ptr %src
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%conv = call i64 @llvm.experimental.constrained.fptoui.i64.f128(fp128 %f,
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metadata !"fpexcept.strict") #0
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ret i64 %conv
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}
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attributes #0 = { strictfp }
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