derek.holloway
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55 lines
1.7 KiB
LLVM
55 lines
1.7 KiB
LLVM
; Test strict conversion of floating-point values to signed i32s.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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declare i32 @llvm.experimental.constrained.fptosi.i32.f16(half, metadata)
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declare i32 @llvm.experimental.constrained.fptosi.i32.f32(float, metadata)
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declare i32 @llvm.experimental.constrained.fptosi.i32.f64(double, metadata)
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declare i32 @llvm.experimental.constrained.fptosi.i32.f128(fp128, metadata)
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; Test f16->i32.
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define i32 @f0(half %f) #0 {
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; CHECK-LABEL: f0:
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; CHECK: brasl %r14, __extendhfsf2@PLT
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; CHECK-NEXT: cfebr %r2, 5, %f0
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; CHECK: br %r14
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%conv = call i32 @llvm.experimental.constrained.fptosi.i32.f16(half %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 f32->i32.
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define i32 @f1(float %f) #0 {
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; CHECK-LABEL: f1:
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; CHECK: cfebr %r2, 5, %f0
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; CHECK: br %r14
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%conv = call i32 @llvm.experimental.constrained.fptosi.i32.f32(float %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 f64->i32.
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define i32 @f2(double %f) #0 {
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; CHECK-LABEL: f2:
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; CHECK: cfdbr %r2, 5, %f0
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; CHECK: br %r14
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%conv = call i32 @llvm.experimental.constrained.fptosi.i32.f64(double %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 f128->i32.
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define i32 @f3(ptr %src) #0 {
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; CHECK-LABEL: f3:
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; CHECK: ld %f0, 0(%r2)
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; CHECK: ld %f2, 8(%r2)
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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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attributes #0 = { strictfp }
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