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Fixes to bitstruct and work on correct behaviour when embedded in structs.

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This commit is contained in:
Christoffer Lerno
2021-11-07 21:29:18 +01:00
committed by Christoffer Lerno
parent 4f09b0c351
commit 4e47f0b624
9 changed files with 233 additions and 82 deletions
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12
test/test_suite/bitstruct/bitstruct_access_signed.c3t
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@@ -19,11 +19,11 @@ extern fn void printf(char*, ...);
fn void main()
{
BitFieldCross xx = { 0, -177, 0 };
BitFieldCross xx = { 0, -17, 0 };
printf("%d\n", xx.a);
xx = { 0xff, -177, 0xff };
xx = { 0x1f, -17, 1 };
printf("%d\n", xx.a);
BitFieldCrossU xxu = { 0xff, 0x12345678, 0xff };
BitFieldCrossU xxu = { 0x1f, 0x15678, 1 };
printf("%x\n", xxu.a);
}
@@ -34,7 +34,7 @@ define void @main() #0 {
entry:
%xx = alloca [3 x i8], align 1
%xxu = alloca [3 x i8], align 1
store [3 x i8] c"\E0\E9\7F", [3 x i8]* %xx, align 1
store [3 x i8] c"\E0\FD\7F", [3 x i8]* %xx, align 1
%0 = getelementptr inbounds [3 x i8], [3 x i8]* %xx, i64 0, i64 0
%1 = load i8, i8* %0, align 1
%2 = zext i8 %1 to i32
@@ -52,7 +52,7 @@ entry:
%14 = shl i32 %13, 14
%15 = ashr i32 %14, 14
call void (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32 %15)
store [3 x i8] c"\FF\E9\FF", [3 x i8]* %xx, align 1
store [3 x i8] c"\FF\FD\FF", [3 x i8]* %xx, align 1
%16 = load [3 x i8], [3 x i8]* %xx, align 1
%17 = getelementptr inbounds [3 x i8], [3 x i8]* %xx, i64 0, i64 0
%18 = load i8, i8* %17, align 1
@@ -71,7 +71,7 @@ entry:
%31 = shl i32 %30, 14
%32 = ashr i32 %31, 14
call void (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i32 0, i32 0), i32 %32)
store [3 x i8] c"\1F\CF\8A", [3 x i8]* %xxu, align 1
store [3 x i8] c"\1F\CF\AA", [3 x i8]* %xxu, align 1
%33 = getelementptr inbounds [3 x i8], [3 x i8]* %xxu, i64 0, i64 0
%34 = load i8, i8* %33, align 1
%35 = zext i8 %34 to i32