1 ; RUN: llc -mcpu=yonah < %s 2 ; PR9438 3 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" 4 target triple = "i386-unknown-freebsd9.0" 5 6 ; The 'call fastcc' ties down %ebx, %ecx, and %edx. 7 ; A MUL8r ties down %al, leaving no GR32_ABCD registers available. 8 ; The coalescer can easily overallocate physical registers, 9 ; and register allocation fails. 10 11 declare fastcc i8* @save_string(i8* %d, i8* nocapture %s) nounwind 12 13 define i32 @cvtchar(i8* nocapture %sp) nounwind { 14 %temp.i = alloca [2 x i8], align 1 15 %tmp1 = load i8* %sp, align 1 16 %div = udiv i8 %tmp1, 10 17 %rem = urem i8 %div, 10 18 %arrayidx.i = getelementptr inbounds [2 x i8]* %temp.i, i32 0, i32 0 19 store i8 %rem, i8* %arrayidx.i, align 1 20 %call.i = call fastcc i8* @save_string(i8* %sp, i8* %arrayidx.i) nounwind 21 ret i32 undef 22 } 23
