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New test for misaligned Altivec laod/store.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47698 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen 2008-02-27 23:14:50 +00:00
parent 351b0d4e4e
commit 0154e47ed0
1 changed files with 37 additions and 0 deletions
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37
test/CodeGen/PowerPC/vec_misaligned.ll Normal file
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; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g5
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-f128:64:128"
target triple = "powerpc-apple-darwin8"
%struct.S2203 = type { %struct.u16qi }
%struct.u16qi = type { <16 x i8> }
@s = weak global %struct.S2203 zeroinitializer ; <%struct.S2203*> [#uses=1]
define void @foo(i32 %x, ...) {
entry:
%x_addr = alloca i32 ; <i32*> [#uses=1]
%ap = alloca i8* ; <i8**> [#uses=3]
%ap.0 = alloca i8* ; <i8**> [#uses=3]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
store i32 %x, i32* %x_addr
%ap1 = bitcast i8** %ap to i8* ; <i8*> [#uses=1]
call void @llvm.va_start( i8* %ap1 )
%tmp = load i8** %ap, align 4 ; <i8*> [#uses=1]
store i8* %tmp, i8** %ap.0, align 4
%tmp2 = load i8** %ap.0, align 4 ; <i8*> [#uses=1]
%tmp3 = getelementptr i8* %tmp2, i64 16 ; <i8*> [#uses=1]
store i8* %tmp3, i8** %ap, align 4
%tmp4 = load i8** %ap.0, align 4 ; <i8*> [#uses=1]
%tmp45 = bitcast i8* %tmp4 to %struct.S2203* ; <%struct.S2203*> [#uses=1]
%tmp6 = getelementptr %struct.S2203* @s, i32 0, i32 0 ; <%struct.u16qi*> [#uses=1]
%tmp7 = getelementptr %struct.S2203* %tmp45, i32 0, i32 0 ; <%struct.u16qi*> [#uses=1]
%tmp8 = getelementptr %struct.u16qi* %tmp6, i32 0, i32 0 ; <<16 x i8>*> [#uses=1]
%tmp9 = getelementptr %struct.u16qi* %tmp7, i32 0, i32 0 ; <<16 x i8>*> [#uses=1]
%tmp10 = load <16 x i8>* %tmp9, align 4 ; <<16 x i8>> [#uses=1]
store <16 x i8> %tmp10, <16 x i8>* %tmp8, align 4
br label %return
return: ; preds = %entry
ret void
}
declare void @llvm.va_start(i8*) nounwind