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test packed struct codegen on x86 

llvm-svn: 32367
This commit is contained in:
Andrew Lenharth 2006-12-08 18:54:15 +00:00
parent 78cb08d082
commit 60be4775ff
1 changed files with 38 additions and 0 deletions
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38
llvm/test/Regression/CodeGen/X86/packed_struct.ll Normal file
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; RUN: llvm-as < %s | llc -march=x86 |grep "foos+5" &&
; RUN: llvm-as < %s | llc -march=x86 |grep "foos+1" &&
; RUN: llvm-as < %s | llc -march=x86 |grep "foos+9" &&
; RUN: llvm-as < %s | llc -march=x86 |grep "bara+19" &&
; RUN: llvm-as < %s | llc -march=x86 |grep "bara+4"
; make sure we compute the correct offset for a packed structure
;Note: codegen for this could change rendering the above checks wrong
; ModuleID = 'foo.c'
target datalayout = "e-p:32:32"
target endian = little
target pointersize = 32
target triple = "i686-pc-linux-gnu"
%struct.anon = type <{ sbyte, int, int, int }>
%foos = external global %struct.anon
%bara = weak global [4 x <{ int, sbyte }>] zeroinitializer
implementation ; Functions:
int %foo() {
entry:
%tmp = load int* getelementptr (%struct.anon* %foos, int 0, uint 1)
%tmp3 = load int* getelementptr (%struct.anon* %foos, int 0, uint 2)
%tmp6 = load int* getelementptr (%struct.anon* %foos, int 0, uint 3)
%tmp4 = add int %tmp3, %tmp
%tmp7 = add int %tmp4, %tmp6
ret int %tmp7
}
sbyte %bar() {
entry:
%tmp = load sbyte* getelementptr([4 x <{ int, sbyte }>]* %bara, int 0, int 0, uint 1 )
%tmp4 = load sbyte* getelementptr ([4 x <{ int, sbyte }>]* %bara, int 0, int 3, uint 1)
%tmp5 = add sbyte %tmp4, %tmp
ret sbyte %tmp5
}