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llvm-mirror/test/CodeGen/SystemZ/fp-conv-09.ll
Ulrich Weigand 1431b3c2f5 [SystemZ] Add CodeGen test cases
This adds all CodeGen tests for the SystemZ target.

This version of the patch incorporates feedback from a review by
Sean Silva.  Thanks to all reviewers!

Patch by Richard Sandiford.

llvm-svn: 181204
2013-05-06 16:17:29 +00:00

34 lines
654 B
LLVM

; Test conversion of floating-point values to signed i32s.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
; Test f32->i32.
define i32 @f1(float %f) {
; CHECK: f1:
; CHECK: cfebr %r2, 5, %f0
; CHECK: br %r14
%conv = fptosi float %f to i32
ret i32 %conv
}
; Test f64->i32.
define i32 @f2(double %f) {
; CHECK: f2:
; CHECK: cfdbr %r2, 5, %f0
; CHECK: br %r14
%conv = fptosi double %f to i32
ret i32 %conv
}
; Test f128->i32.
define i32 @f3(fp128 *%src) {
; CHECK: f3:
; CHECK: ld %f0, 0(%r2)
; CHECK: ld %f2, 8(%r2)
; CHECK: cfxbr %r2, 5, %f0
; CHECK: br %r14
%f = load fp128 *%src
%conv = fptosi fp128 %f to i32
ret i32 %conv
}