forked from OSchip/llvm-project
43 lines
1.3 KiB
LLVM
43 lines
1.3 KiB
LLVM
; Test strict conversion of floating-point values to signed i64s.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
|
|
|
|
declare i64 @llvm.experimental.constrained.fptosi.i64.f32(float, metadata)
|
|
declare i64 @llvm.experimental.constrained.fptosi.i64.f64(double, metadata)
|
|
declare i64 @llvm.experimental.constrained.fptosi.i64.f128(fp128, metadata)
|
|
|
|
; Test f32->i64.
|
|
define i64 @f1(float %f) #0 {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK: cgebr %r2, 5, %f0
|
|
; CHECK: br %r14
|
|
%conv = call i64 @llvm.experimental.constrained.fptosi.i64.f32(float %f,
|
|
metadata !"fpexcept.strict") #0
|
|
ret i64 %conv
|
|
}
|
|
|
|
; Test f64->i64.
|
|
define i64 @f2(double %f) #0 {
|
|
; CHECK-LABEL: f2:
|
|
; CHECK: cgdbr %r2, 5, %f0
|
|
; CHECK: br %r14
|
|
%conv = call i64 @llvm.experimental.constrained.fptosi.i64.f64(double %f,
|
|
metadata !"fpexcept.strict") #0
|
|
ret i64 %conv
|
|
}
|
|
|
|
; Test f128->i64.
|
|
define i64 @f3(fp128 *%src) #0 {
|
|
; CHECK-LABEL: f3:
|
|
; CHECK: ld %f0, 0(%r2)
|
|
; CHECK: ld %f2, 8(%r2)
|
|
; CHECK: cgxbr %r2, 5, %f0
|
|
; CHECK: br %r14
|
|
%f = load fp128, fp128 *%src
|
|
%conv = call i64 @llvm.experimental.constrained.fptosi.i64.f128(fp128 %f,
|
|
metadata !"fpexcept.strict") #0
|
|
ret i64 %conv
|
|
}
|
|
|
|
attributes #0 = { strictfp }
|