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limit on the offset that can be materialized without using the register scavenger. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106312 91177308-0d34-0410-b5e6-96231b3b80d8
29 lines
2.2 KiB
LLVM
29 lines
2.2 KiB
LLVM
; RUN: llc < %s -O0 -relocation-model=pic -disable-fp-elim
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:64-n32"
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target triple = "armv6-apple-darwin10"
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%struct0 = type { i32, i32 }
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; This function would crash RegAllocFast because it tried to spill %CPSR.
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define arm_apcscc void @clobber_cc() nounwind noinline ssp {
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entry:
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%asmtmp = call %struct0 asm sideeffect "...", "=&r,=&r,r,Ir,r,~{cc},~{memory}"(i32* undef, i32 undef, i32 1) nounwind ; <%0> [#uses=0]
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unreachable
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}
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@.str523 = private constant [256 x i8] c"<Unknown>\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00", align 4 ; <[256 x i8]*> [#uses=1]
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declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
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; This function uses the scavenger for an ADDri instruction.
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; ARMBaseRegisterInfo::estimateRSStackSizeLimit must return a 255 limit.
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define arm_apcscc void @scavence_ADDri() nounwind {
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entry:
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%letter = alloca i8 ; <i8*> [#uses=0]
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%prodvers = alloca [256 x i8] ; <[256 x i8]*> [#uses=1]
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%buildver = alloca [256 x i8] ; <[256 x i8]*> [#uses=0]
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* undef, i8* getelementptr inbounds ([256 x i8]* @.str523, i32 0, i32 0), i32 256, i32 1, i1 false)
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%prodvers2 = bitcast [256 x i8]* %prodvers to i8* ; <i8*> [#uses=1]
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* %prodvers2, i8* getelementptr inbounds ([256 x i8]* @.str523, i32 0, i32 0), i32 256, i32 1, i1 false)
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unreachable
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}
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