a1710eb3cd
The LIT test cases were migrated with the script provided by Nikita Popov. No manual changes were made. Committed without review since no functional changes, after consultation with uweigand.
43 lines
1.3 KiB
LLVM
43 lines
1.3 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.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 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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