reference, declaration → definition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced

    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79

; Test strict conversion of floating-point values to unsigned integers.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s

declare i32 @llvm.experimental.constrained.fptoui.i32.f32(float, metadata)
declare i32 @llvm.experimental.constrained.fptoui.i32.f64(double, metadata)
declare i32 @llvm.experimental.constrained.fptoui.i32.f128(fp128, metadata)

declare i64 @llvm.experimental.constrained.fptoui.i64.f32(float, metadata)
declare i64 @llvm.experimental.constrained.fptoui.i64.f64(double, metadata)
declare i64 @llvm.experimental.constrained.fptoui.i64.f128(fp128, metadata)

; Test f32->i32.
define i32 @f1(float %f) #0 {
; CHECK-LABEL: f1:
; CHECK: clfebr %r2, 5, %f0, 0
; CHECK: br %r14
  %conv = call i32 @llvm.experimental.constrained.fptoui.i32.f32(float %f,
                                               metadata !"fpexcept.strict") #0
  ret i32 %conv
}

; Test f64->i32.
define i32 @f2(double %f) #0 {
; CHECK-LABEL: f2:
; CHECK: clfdbr %r2, 5, %f0, 0
; CHECK: br %r14
  %conv = call i32 @llvm.experimental.constrained.fptoui.i32.f64(double %f,
                                               metadata !"fpexcept.strict") #0
  ret i32 %conv
}

; Test f128->i32.
define i32 @f3(fp128 *%src) #0 {
; CHECK-LABEL: f3:
; CHECK-DAG: ld %f0, 0(%r2)
; CHECK-DAG: ld %f2, 8(%r2)
; CHECK: clfxbr %r2, 5, %f0, 0
; CHECK: br %r14
  %f = load fp128, fp128 *%src
  %conv = call i32 @llvm.experimental.constrained.fptoui.i32.f128(fp128 %f,
                                               metadata !"fpexcept.strict") #0
  ret i32 %conv
}

; Test f32->i64.
define i64 @f4(float %f) #0 {
; CHECK-LABEL: f4:
; CHECK: clgebr %r2, 5, %f0, 0
; CHECK: br %r14
  %conv = call i64 @llvm.experimental.constrained.fptoui.i64.f32(float %f,
                                               metadata !"fpexcept.strict") #0
  ret i64 %conv
}

; Test f64->i64.
define i64 @f5(double %f) #0 {
; CHECK-LABEL: f5:
; CHECK: clgdbr %r2, 5, %f0, 0
; CHECK: br %r14
  %conv = call i64 @llvm.experimental.constrained.fptoui.i64.f64(double %f,
                                               metadata !"fpexcept.strict") #0
  ret i64 %conv
}

; Test f128->i64.
define i64 @f6(fp128 *%src) #0 {
; CHECK-LABEL: f6:
; CHECK-DAG: ld %f0, 0(%r2)
; CHECK-DAG: ld %f2, 8(%r2)
; CHECK: clgxbr %r2, 5, %f0, 0
; CHECK: br %r14
  %f = load fp128, fp128 *%src
  %conv = call i64 @llvm.experimental.constrained.fptoui.i64.f128(fp128 %f,
                                               metadata !"fpexcept.strict") #0
  ret i64 %conv
}

attributes #0 = { strictfp }