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2129a0f677
Don't attempt to extend physreg live ranges across calls. <rdar://problem/10942095> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151610 91177308-0d34-0410-b5e6-96231b3b80d8
32 lines
1.4 KiB
LLVM
32 lines
1.4 KiB
LLVM
; RUN: llc < %s -mcpu=arm1136jf-s -verify-machineinstrs | FileCheck %s
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32"
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target triple = "armv6-apple-ios0.0.0"
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; Don't CSE a cmp across a call that clobbers CPSR.
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;
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; CHECK: cmp
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; CHECK: S_trimzeros
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; CHECK: cmp
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; CHECK: strlen
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@F_floatmul.man1 = external global [200 x i8], align 1
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@F_floatmul.man2 = external global [200 x i8], align 1
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declare i32 @strlen(i8* nocapture) nounwind readonly
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declare void @S_trimzeros(...)
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define i8* @F_floatmul(i8* %f1, i8* %f2) nounwind ssp {
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entry:
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br i1 undef, label %while.end42, label %while.body37
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while.body37: ; preds = %while.body37, %entry
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br i1 false, label %while.end42, label %while.body37
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while.end42: ; preds = %while.body37, %entry
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%. = select i1 undef, i8* getelementptr inbounds ([200 x i8]* @F_floatmul.man1, i32 0, i32 0), i8* getelementptr inbounds ([200 x i8]* @F_floatmul.man2, i32 0, i32 0)
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%.92 = select i1 undef, i8* getelementptr inbounds ([200 x i8]* @F_floatmul.man2, i32 0, i32 0), i8* getelementptr inbounds ([200 x i8]* @F_floatmul.man1, i32 0, i32 0)
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tail call void bitcast (void (...)* @S_trimzeros to void (i8*)*)(i8* %.92) nounwind
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%call47 = tail call i32 @strlen(i8* %.) nounwind
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unreachable
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}
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