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For historic reasons, the behavior of .align differs between targets. Fortunately, there are alternatives, .p2align and .balign, which make the interpretation of the parameter explicit, and which behave consistently across targets. This patch teaches MC to use .p2align instead of .align, so that people reading code for multiple architectures don't have to remember which way each platform does its .align directive. Differential Revision: http://reviews.llvm.org/D16549 llvm-svn: 258750
38 lines
1.4 KiB
LLVM
38 lines
1.4 KiB
LLVM
; RUN: llc < %s -mtriple=i386-apple-darwin10.0 -mcpu=core2 -relocation-model=dynamic-no-pic --asm-verbose=0 | FileCheck -check-prefix=I386 %s
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; RUN: llc < %s -mtriple=x86_64-apple-darwin10.0 -mcpu=core2 -relocation-model=dynamic-no-pic --asm-verbose=0 | FileCheck -check-prefix=CORE2 %s
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; RUN: llc < %s -mtriple=x86_64-apple-darwin10.0 -mcpu=corei7 -relocation-model=dynamic-no-pic --asm-verbose=0 | FileCheck -check-prefix=COREI7 %s
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@.str1 = internal constant [31 x i8] c"DHRYSTONE PROGRAM, SOME STRING\00", align 8
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@.str3 = internal constant [31 x i8] c"DHRYSTONE PROGRAM, 2'ND STRING\00", align 8
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define void @func() nounwind ssp {
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entry:
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%String2Loc = alloca [31 x i8], align 1
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br label %bb
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bb: ; preds = %bb, %entry
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%String2Loc9 = getelementptr inbounds [31 x i8], [31 x i8]* %String2Loc, i64 0, i64 0
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %String2Loc9, i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str3, i64 0, i64 0), i64 31, i32 1, i1 false)
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br label %bb
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return: ; No predecessors!
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ret void
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}
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
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; I386: calll {{_?}}memcpy
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; CORE2: movabsq
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; CORE2: movabsq
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; CORE2: movabsq
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; COREI7: movups _.str3
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; CORE2: .section
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; CORE2: .p2align 3
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; CORE2-NEXT: _.str1:
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; CORE2-NEXT: .asciz "DHRYSTONE PROGRAM, SOME STRING"
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; CORE2: .p2align 3
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; CORE2-NEXT: _.str3:
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