Hi Dale, this test is failing for me (x86-32 linux):
there is nothing called retval.
// RUN: %llvmgxx -S -O0 -emit-llvm %s -o - | grep retval | grep S242 | grep
{i32 1} | count 2
Ciao,
Duncan.
; ModuleID = '2008-02-13-sret.cpp'
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-f80:32:32"
target triple = "i686-pc-linux-gnu"
%struct.S242 = type { i8*, [1 x i32] }
%struct.S92 = type <{ i16, [2 x i8] }>
%struct.S93 = type { i8*, [1 x i32] }
@s242 = external global %struct.S242 ; <%struct.S242*> [#uses=2]
@s93 = external global %struct.S242 ; <%struct.S242*> [#uses=1]
@s92 = external global %struct.S92 ; <%struct.S92*> [#uses=1]
define void @_Z7check92v(%struct.S92* sret %agg.result) {
entry:
%ret = alloca %struct.S92, align 4 ; <%struct.S92*>
[#uses=0]
%memtmp = alloca %struct.S92, align 8 ; <%struct.S92*>
[#uses=2]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
%agg.result1 = bitcast %struct.S92* %agg.result to i8* ; <i8*>
[#uses=1]
%tmp = call i8* @_Z6memsetPvim( i8* %agg.result1, i32 0, i32 4 )
; <i8*> [#uses=0]
%tmp2 = getelementptr %struct.S92* @s92, i32 0, i32 0 ;
<i16*> [#uses=1]
%tmp3 = load i16* %tmp2, align 1 ; <i16> [#uses=1]
%tmp4 = shl i16 %tmp3, 2 ; <i16> [#uses=1]
%tmp5 = ashr i16 %tmp4, 2 ; <i16> [#uses=1]
%tmp6 = getelementptr %struct.S92* %agg.result, i32 0, i32 0
; <i16*> [#uses=2]
%tmp7 = load i16* %tmp6, align 1 ; <i16> [#uses=1]
%tmp8 = and i16 %tmp5, 16383 ; <i16> [#uses=1]
%tmp9 = and i16 %tmp7, -16384 ; <i16> [#uses=1]
%tmp10 = or i16 %tmp9, %tmp8 ; <i16> [#uses=1]
store i16 %tmp10, i16* %tmp6, align 1
%tmp11 = getelementptr %struct.S92* %memtmp, i32 0, i32 0
; <i16*> [#uses=1]
%tmp12 = getelementptr %struct.S92* %agg.result, i32 0, i32 0
; <i16*> [#uses=1]
%tmp13 = load i16* %tmp12, align 4 ; <i16> [#uses=1]
store i16 %tmp13, i16* %tmp11, align 4
%tmp14 = getelementptr %struct.S92* %memtmp, i32 0, i32 1
; <[2 x i8]*> [#uses=2]
%tmp15 = getelementptr %struct.S92* %agg.result, i32 0, i32 1
; <[2 x i8]*> [#uses=2]
%tmp16 = getelementptr [2 x i8]* %tmp14, i32 0, i32 0 ; <i8*>
[#uses=1]
%tmp17 = getelementptr [2 x i8]* %tmp15, i32 0, i32 0 ; <i8*>
[#uses=1]
%tmp18 = load i8* %tmp17, align 2 ; <i8> [#uses=1]
store i8 %tmp18, i8* %tmp16, align 2
%tmp19 = getelementptr [2 x i8]* %tmp14, i32 0, i32 1 ; <i8*>
[#uses=1]
%tmp20 = getelementptr [2 x i8]* %tmp15, i32 0, i32 1 ; <i8*>
[#uses=1]
%tmp21 = load i8* %tmp20, align 1 ; <i8> [#uses=1]
store i8 %tmp21, i8* %tmp19, align 1
br label %return
return: ; preds = %entry
ret void
}
define void @_Z10check242vaiz(i32 %z, ...) {
entry:
%z_addr = alloca i32 ; <i32*> [#uses=1]
%ap = alloca i8* ; <i8**> [#uses=4]
%arg = alloca %struct.S242 ; <%struct.S242*> [#uses=2]
%tmp = alloca %struct.S242 ; <%struct.S242*> [#uses=4]
%ap.2 = alloca i8* ; <i8**> [#uses=3]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
store i32 %z, i32* %z_addr
%ap1 = bitcast i8** %ap to i8* ; <i8*> [#uses=1]
call void @llvm.va_start( i8* %ap1 )
%tmp2 = load i8** %ap, align 4 ; <i8*> [#uses=1]
store i8* %tmp2, i8** %ap.2, align 4
%tmp3 = load i8** %ap.2, align 4 ; <i8*> [#uses=1]
%tmp4 = getelementptr i8* %tmp3, i64 8 ; <i8*> [#uses=1]
store i8* %tmp4, i8** %ap, align 4
%tmp5 = load i8** %ap.2, align 4 ; <i8*> [#uses=1]
%tmp56 = bitcast i8* %tmp5 to %struct.S242* ;
<%struct.S242*> [#uses=2]
%tmp7 = getelementptr %struct.S242* %tmp, i32 0, i32 0 ;
<i8**> [#uses=1]
%tmp8 = getelementptr %struct.S242* %tmp56, i32 0, i32 0
; <i8**> [#uses=1]
%tmp9 = load i8** %tmp8, align 4 ; <i8*> [#uses=1]
store i8* %tmp9, i8** %tmp7, align 4
%tmp10 = getelementptr %struct.S242* %tmp, i32 0, i32 1 ; <[1 x
i32]*> [#uses=1]
%tmp11 = getelementptr %struct.S242* %tmp56, i32 0, i32 1
; <[1 x i32]*> [#uses=1]
%tmp12 = getelementptr [1 x i32]* %tmp10, i32 0, i32 0 ;
<i32*> [#uses=1]
%tmp13 = getelementptr [1 x i32]* %tmp11, i32 0, i32 0 ;
<i32*> [#uses=1]
%tmp14 = load i32* %tmp13, align 4 ; <i32> [#uses=1]
store i32 %tmp14, i32* %tmp12, align 4
%tmp15 = getelementptr %struct.S242* %arg, i32 0, i32 0 ;
<i8**> [#uses=1]
%tmp16 = getelementptr %struct.S242* %tmp, i32 0, i32 0 ;
<i8**> [#uses=1]
%tmp17 = load i8** %tmp16, align 4 ; <i8*> [#uses=1]
store i8* %tmp17, i8** %tmp15, align 4
%tmp18 = getelementptr %struct.S242* %arg, i32 0, i32 1 ; <[1 x
i32]*> [#uses=1]
%tmp19 = getelementptr %struct.S242* %tmp, i32 0, i32 1 ; <[1 x
i32]*> [#uses=1]
%tmp20 = getelementptr [1 x i32]* %tmp18, i32 0, i32 0 ;
<i32*> [#uses=1]
%tmp21 = getelementptr [1 x i32]* %tmp19, i32 0, i32 0 ;
<i32*> [#uses=1]
%tmp22 = load i32* %tmp21, align 4 ; <i32> [#uses=1]
store i32 %tmp22, i32* %tmp20, align 4
%ap23 = bitcast i8** %ap to i8* ; <i8*> [#uses=1]
call void @llvm.va_end( i8* %ap23 )
br label %return
return: ; preds = %entry
ret void
}
declare void @llvm.va_start(i8*) nounwind
declare void @llvm.va_end(i8*) nounwind
define void @_Z9check93vaiz(i32 %z, ...) {
entry:
%z_addr = alloca i32 ; <i32*> [#uses=1]
%ap = alloca i8* ; <i8**> [#uses=4]
%arg = alloca %struct.S242, align 8 ; <%struct.S242*>
[#uses=2]
%tmp = alloca %struct.S242, align 8 ; <%struct.S242*>
[#uses=4]
%ap.0 = alloca i8* ; <i8**> [#uses=3]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
store i32 %z, i32* %z_addr
%ap1 = bitcast i8** %ap to i8* ; <i8*> [#uses=1]
call void @llvm.va_start( i8* %ap1 )
%tmp2 = load i8** %ap, align 4 ; <i8*> [#uses=1]
store i8* %tmp2, i8** %ap.0, align 4
%tmp3 = load i8** %ap.0, align 4 ; <i8*> [#uses=1]
%tmp4 = getelementptr i8* %tmp3, i64 8 ; <i8*> [#uses=1]
store i8* %tmp4, i8** %ap, align 4
%tmp5 = load i8** %ap.0, align 4 ; <i8*> [#uses=1]
%tmp56 = bitcast i8* %tmp5 to %struct.S242* ;
<%struct.S242*> [#uses=2]
%tmp7 = getelementptr %struct.S242* %tmp, i32 0, i32 0 ;
<i8**> [#uses=1]
%tmp8 = getelementptr %struct.S242* %tmp56, i32 0, i32 0
; <i8**> [#uses=1]
%tmp9 = load i8** %tmp8, align 4 ; <i8*> [#uses=1]
store i8* %tmp9, i8** %tmp7, align 4
%tmp10 = getelementptr %struct.S242* %tmp, i32 0, i32 1 ; <[1 x
i32]*> [#uses=1]
%tmp11 = getelementptr %struct.S242* %tmp56, i32 0, i32 1
; <[1 x i32]*> [#uses=1]
%tmp12 = getelementptr [1 x i32]* %tmp10, i32 0, i32 0 ;
<i32*> [#uses=1]
%tmp13 = getelementptr [1 x i32]* %tmp11, i32 0, i32 0 ;
<i32*> [#uses=1]
%tmp14 = load i32* %tmp13, align 4 ; <i32> [#uses=1]
store i32 %tmp14, i32* %tmp12, align 4
%tmp15 = getelementptr %struct.S242* %arg, i32 0, i32 0 ;
<i8**> [#uses=1]
%tmp16 = getelementptr %struct.S242* %tmp, i32 0, i32 0 ;
<i8**> [#uses=1]
%tmp17 = load i8** %tmp16, align 8 ; <i8*> [#uses=1]
store i8* %tmp17, i8** %tmp15, align 8
%tmp18 = getelementptr %struct.S242* %arg, i32 0, i32 1 ; <[1 x
i32]*> [#uses=1]
%tmp19 = getelementptr %struct.S242* %tmp, i32 0, i32 1 ; <[1 x
i32]*> [#uses=1]
%tmp20 = getelementptr [1 x i32]* %tmp18, i32 0, i32 0 ;
<i32*> [#uses=1]
%tmp21 = getelementptr [1 x i32]* %tmp19, i32 0, i32 0 ;
<i32*> [#uses=1]
%tmp22 = load i32* %tmp21, align 4 ; <i32> [#uses=1]
store i32 %tmp22, i32* %tmp20, align 4
%ap23 = bitcast i8** %ap to i8* ; <i8*> [#uses=1]
call void @llvm.va_end( i8* %ap23 )
br label %return
return: ; preds = %entry
ret void
}
define void @_Z8check242v(%struct.S242* sret %agg.result) {
entry:
%ret = alloca %struct.S242 ; <%struct.S242*> [#uses=0]
%memtmp = alloca %struct.S242, align 8 ; <%struct.S242*>
[#uses=2]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
%agg.result1 = bitcast %struct.S242* %agg.result to i8* ; <i8*>
[#uses=1]
%tmp = call i8* @_Z6memsetPvim( i8* %agg.result1, i32 0, i32 8 )
; <i8*> [#uses=0]
%tmp2 = getelementptr %struct.S242* @s242, i32 0, i32 0 ;
<i8**> [#uses=1]
%tmp3 = load i8** %tmp2, align 4 ; <i8*> [#uses=1]
%tmp4 = getelementptr %struct.S242* %agg.result, i32 0, i32 0
; <i8**> [#uses=1]
store i8* %tmp3, i8** %tmp4, align 4
%tmp5 = getelementptr %struct.S242* @s242, i32 0, i32 1 ; <[1 x
i32]*> [#uses=1]
%tmp6 = getelementptr [1 x i32]* %tmp5, i32 0, i32 0 ;
<i32*> [#uses=1]
%tmp7 = load i32* %tmp6, align 4 ; <i32> [#uses=1]
%tmp8 = getelementptr %struct.S242* %agg.result, i32 0, i32 1
; <[1 x i32]*> [#uses=1]
%tmp9 = getelementptr [1 x i32]* %tmp8, i32 0, i32 0 ;
<i32*> [#uses=1]
store i32 %tmp7, i32* %tmp9, align 4
%tmp10 = getelementptr %struct.S242* %memtmp, i32 0, i32 0
; <i8**> [#uses=1]
%tmp11 = getelementptr %struct.S242* %agg.result, i32 0, i32 0
; <i8**> [#uses=1]
%tmp12 = load i8** %tmp11, align 4 ; <i8*> [#uses=1]
store i8* %tmp12, i8** %tmp10, align 4
%tmp13 = getelementptr %struct.S242* %memtmp, i32 0, i32 1
; <[1 x i32]*> [#uses=1]
%tmp14 = getelementptr %struct.S242* %agg.result, i32 0, i32 1
; <[1 x i32]*> [#uses=1]
%tmp15 = getelementptr [1 x i32]* %tmp13, i32 0, i32 0 ;
<i32*> [#uses=1]
%tmp16 = getelementptr [1 x i32]* %tmp14, i32 0, i32 0 ;
<i32*> [#uses=1]
%tmp17 = load i32* %tmp16, align 4 ; <i32> [#uses=1]
store i32 %tmp17, i32* %tmp15, align 4
br label %return
return: ; preds = %entry
ret void
}
declare i8* @_Z6memsetPvim(i8*, i32, i32)
define void @_Z7check93v(%struct.S242* sret %agg.result) {
entry:
%ret = alloca %struct.S242, align 8 ; <%struct.S242*>
[#uses=0]
%memtmp = alloca %struct.S242, align 8 ; <%struct.S242*>
[#uses=2]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
%agg.result1 = bitcast %struct.S242* %agg.result to i8* ; <i8*>
[#uses=1]
%tmp = call i8* @_Z6memsetPvim( i8* %agg.result1, i32 0, i32 8 )
; <i8*> [#uses=0]
%tmp2 = getelementptr %struct.S242* @s93, i32 0, i32 0 ;
<i8**> [#uses=1]
%tmp3 = load i8** %tmp2, align 8 ; <i8*> [#uses=1]
%tmp4 = getelementptr %struct.S242* %agg.result, i32 0, i32 0
; <i8**> [#uses=1]
store i8* %tmp3, i8** %tmp4, align 8
%tmp5 = getelementptr %struct.S242* %memtmp, i32 0, i32 0
; <i8**> [#uses=1]
%tmp6 = getelementptr %struct.S242* %agg.result, i32 0, i32 0
; <i8**> [#uses=1]
%tmp7 = load i8** %tmp6, align 8 ; <i8*> [#uses=1]
store i8* %tmp7, i8** %tmp5, align 8
%tmp8 = getelementptr %struct.S242* %memtmp, i32 0, i32 1
; <[1 x i32]*> [#uses=1]
%tmp9 = getelementptr %struct.S242* %agg.result, i32 0, i32 1
; <[1 x i32]*> [#uses=1]
%tmp10 = getelementptr [1 x i32]* %tmp8, i32 0, i32 0 ;
<i32*> [#uses=1]
%tmp11 = getelementptr [1 x i32]* %tmp9, i32 0, i32 0 ;
<i32*> [#uses=1]
%tmp12 = load i32* %tmp11, align 4 ; <i32> [#uses=1]
store i32 %tmp12, i32* %tmp10, align 4
br label %return
return: ; preds = %entry
ret void
}
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