Mercurial > hg > CbC > CbC_llvm
diff test/CodeGen/SystemZ/fp-conv-10.ll @ 0:95c75e76d11b LLVM3.4
LLVM 3.4
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
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date | Thu, 12 Dec 2013 13:56:28 +0900 |
parents | |
children | 54457678186b |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/CodeGen/SystemZ/fp-conv-10.ll Thu Dec 12 13:56:28 2013 +0900 @@ -0,0 +1,45 @@ +; Test conversion of floating-point values to unsigned i32s. +; +; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s + +; z10 doesn't have native support for unsigned fp-to-i32 conversions; +; they were added in z196 as the Convert to Logical family of instructions. +; Promoting to i64 doesn't generate an inexact condition for values that are +; outside the i32 range but in the i64 range, so use the default expansion. + +; Test f32->i32. +define i32 @f1(float %f) { +; CHECK-LABEL: f1: +; CHECK: cebr +; CHECK: sebr +; CHECK: cfebr +; CHECK: xilf +; CHECK: br %r14 + %conv = fptoui float %f to i32 + ret i32 %conv +} + +; Test f64->i32. +define i32 @f2(double %f) { +; CHECK-LABEL: f2: +; CHECK: cdbr +; CHECK: sdbr +; CHECK: cfdbr +; CHECK: xilf +; CHECK: br %r14 + %conv = fptoui double %f to i32 + ret i32 %conv +} + +; Test f128->i32. +define i32 @f3(fp128 *%src) { +; CHECK-LABEL: f3: +; CHECK: cxbr +; CHECK: sxbr +; CHECK: cfxbr +; CHECK: xilf +; CHECK: br %r14 + %f = load fp128 *%src + %conv = fptoui fp128 %f to i32 + ret i32 %conv +}