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.
66 lines
2.2 KiB
LLVM
66 lines
2.2 KiB
LLVM
; Test f128 floating-point strict truncations/extensions on z14.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
|
|
|
|
declare float @llvm.experimental.constrained.fptrunc.f32.f128(fp128, metadata, metadata)
|
|
declare double @llvm.experimental.constrained.fptrunc.f64.f128(fp128, metadata, metadata)
|
|
|
|
declare fp128 @llvm.experimental.constrained.fpext.f128.f32(float, metadata)
|
|
declare fp128 @llvm.experimental.constrained.fpext.f128.f64(double, metadata)
|
|
|
|
; Test f128->f64.
|
|
define double @f1(ptr %ptr) #0 {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK: vl [[REG:%v[0-9]+]], 0(%r2)
|
|
; CHECK: wflrx %f0, [[REG]], 0, 0
|
|
; CHECK: br %r14
|
|
%val = load fp128, ptr %ptr
|
|
%res = call double @llvm.experimental.constrained.fptrunc.f64.f128(
|
|
fp128 %val,
|
|
metadata !"round.dynamic",
|
|
metadata !"fpexcept.strict") #0
|
|
ret double %res
|
|
}
|
|
|
|
; Test f128->f32.
|
|
define float @f2(ptr %ptr) #0 {
|
|
; CHECK-LABEL: f2:
|
|
; CHECK: vl [[REG:%v[0-9]+]], 0(%r2)
|
|
; CHECK: wflrx %f0, [[REG]], 0, 3
|
|
; CHECK: ledbra %f0, 0, %f0, 0
|
|
; CHECK: br %r14
|
|
%val = load fp128, ptr %ptr
|
|
%res = call float @llvm.experimental.constrained.fptrunc.f32.f128(
|
|
fp128 %val,
|
|
metadata !"round.dynamic",
|
|
metadata !"fpexcept.strict") #0
|
|
ret float %res
|
|
}
|
|
|
|
; Test f64->f128.
|
|
define void @f3(ptr %dst, double %val) #0 {
|
|
; CHECK-LABEL: f3:
|
|
; CHECK: wflld [[RES:%v[0-9]+]], %f0
|
|
; CHECK: vst [[RES]], 0(%r2)
|
|
; CHECK: br %r14
|
|
%res = call fp128 @llvm.experimental.constrained.fpext.f128.f64(double %val,
|
|
metadata !"fpexcept.strict") #0
|
|
store fp128 %res, ptr %dst
|
|
ret void
|
|
}
|
|
|
|
; Test f32->f128.
|
|
define void @f4(ptr %dst, float %val) #0 {
|
|
; CHECK-LABEL: f4:
|
|
; CHECK: ldebr %f0, %f0
|
|
; CHECK: wflld [[RES:%v[0-9]+]], %f0
|
|
; CHECK: vst [[RES]], 0(%r2)
|
|
; CHECK: br %r14
|
|
%res = call fp128 @llvm.experimental.constrained.fpext.f128.f32(float %val,
|
|
metadata !"fpexcept.strict") #0
|
|
store fp128 %res, ptr %dst
|
|
ret void
|
|
}
|
|
|
|
attributes #0 = { strictfp }
|