Files
clang-p2996/llvm/test/CodeGen/SystemZ/fp-strict-conv-08.ll
Kai Nacke a1710eb3cd [SystemZ][NFC] Opaque pointer migration.
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.
2022-10-11 21:09:43 +00:00

48 lines
1.7 KiB
LLVM

; Test strict conversions of unsigned i64s to floating-point values (z10 only).
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
declare float @llvm.experimental.constrained.uitofp.f32.i64(i64, metadata, metadata)
declare double @llvm.experimental.constrained.uitofp.f64.i64(i64, metadata, metadata)
declare fp128 @llvm.experimental.constrained.uitofp.f128.i64(i64, metadata, metadata)
; Test i64->f32. There's no native support for unsigned i64-to-fp conversions,
; but we should be able to implement them using signed i64-to-fp conversions.
define float @f1(i64 %i) #0 {
; CHECK-LABEL: f1:
; CHECK: cegbr
; CHECK: aebr
; CHECK: br %r14
%conv = call float @llvm.experimental.constrained.uitofp.f32.i64(i64 %i,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
ret float %conv
}
; Test i64->f64.
define double @f2(i64 %i) #0 {
; CHECK-LABEL: f2:
; CHECK: cdgbr
; CHECK: adbr
; CHECK: br %r14
%conv = call double @llvm.experimental.constrained.uitofp.f64.i64(i64 %i,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
ret double %conv
}
; Test i64->f128.
define void @f3(i64 %i, ptr %dst) #0 {
; CHECK-LABEL: f3:
; CHECK: cxgbr
; CHECK: axbr
; CHECK: br %r14
%conv = call fp128 @llvm.experimental.constrained.uitofp.f128.i64(i64 %i,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
store fp128 %conv, ptr %dst
ret void
}
attributes #0 = { strictfp }