Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/X86/2011-03-09-Physreg-Coalescing.ll @ 33:e4204d083e25
LLVM 3.5
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
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date | Thu, 12 Dec 2013 14:32:10 +0900 |
parents | 95c75e76d11b |
children | afa8332a0e37 |
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; RUN: llc -mcpu=yonah < %s ; PR9438 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32" target triple = "i386-unknown-freebsd9.0" ; The 'call fastcc' ties down %ebx, %ecx, and %edx. ; A MUL8r ties down %al, leaving no GR32_ABCD registers available. ; The coalescer can easily overallocate physical registers, ; and register allocation fails. declare fastcc i8* @save_string(i8* %d, i8* nocapture %s) nounwind define i32 @cvtchar(i8* nocapture %sp) nounwind { %temp.i = alloca [2 x i8], align 1 %tmp1 = load i8* %sp, align 1 %div = udiv i8 %tmp1, 10 %rem = urem i8 %div, 10 %arrayidx.i = getelementptr inbounds [2 x i8]* %temp.i, i32 0, i32 0 store i8 %rem, i8* %arrayidx.i, align 1 %call.i = call fastcc i8* @save_string(i8* %sp, i8* %arrayidx.i) nounwind ret i32 undef }