llvm-6502/test/CodeGen/X86/2011-03-09-Physreg-Coalescing.ll
Bill Wendling 7a8ed97dfb For PR9438:
--- Merging r127350 into '.':
D    test/CodeGen/X86/2009-03-11-CoalescerBug.ll

--- Merging r127351 into '.':
A    test/CodeGen/X86/2011-03-09-Physreg-Coalescing.ll
U    test/CodeGen/X86/fold-pcmpeqd-2.ll
U    lib/CodeGen/SimpleRegisterCoalescing.cpp



git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_29@127384 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-10 01:09:20 +00:00

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
}