YouCompleteMe/cpp/llvm/test/CodeGen/X86/2011-03-09-Physreg-Coalescing.ll
2012-07-05 17:51:06 -07:00

23 lines
889 B
LLVM

; 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
}