46 lines
1.5 KiB
LLVM
46 lines
1.5 KiB
LLVM
|
; Test strict conversions of signed i32s to floating-point values.
|
||
|
|
;
|
||
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
|
||
|
|
|
||
|
|
declare float @llvm.experimental.constrained.sitofp.f32.i32(i32, metadata, metadata)
|
||
|
|
declare double @llvm.experimental.constrained.sitofp.f64.i32(i32, metadata, metadata)
|
||
|
|
declare fp128 @llvm.experimental.constrained.sitofp.f128.i32(i32, metadata, metadata)
|
||
|
|
|
||
|
|
; Check i32->f32.
|
||
|
|
define float @f1(i32 %i) #0 {
|
||
|
|
; CHECK-LABEL: f1:
|
||
|
|
; CHECK: cefbr %f0, %r2
|
||
|
|
; CHECK: br %r14
|
||
|
|
%conv = call float @llvm.experimental.constrained.sitofp.f32.i32(i32 %i,
|
||
|
|
metadata !"round.dynamic",
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
ret float %conv
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check i32->f64.
|
||
|
|
define double @f2(i32 %i) #0 {
|
||
|
|
; CHECK-LABEL: f2:
|
||
|
|
; CHECK: cdfbr %f0, %r2
|
||
|
|
; CHECK: br %r14
|
||
|
|
%conv = call double @llvm.experimental.constrained.sitofp.f64.i32(i32 %i,
|
||
|
|
metadata !"round.dynamic",
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
ret double %conv
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check i32->f128.
|
||
|
|
define void @f3(i32 %i, fp128 *%dst) #0 {
|
||
|
|
; CHECK-LABEL: f3:
|
||
|
|
; CHECK: cxfbr %f0, %r2
|
||
|
|
; CHECK: std %f0, 0(%r3)
|
||
|
|
; CHECK: std %f2, 8(%r3)
|
||
|
|
; CHECK: br %r14
|
||
|
|
%conv = call fp128 @llvm.experimental.constrained.sitofp.f128.i32(i32 %i,
|
||
|
|
metadata !"round.dynamic",
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
store fp128 %conv, fp128 *%dst
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
attributes #0 = { strictfp }
|