llvm-6502/test/Transforms/InstCombine/loadstore-alignment.ll
Dan Gohman 6893cd7615 Make instcombine ensure that all allocas are explicitly aligned at at
least their preferred alignment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62176 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13 20:18:38 +00:00

67 lines
1.6 KiB
LLVM

; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {, align 16} | count 14
@x = external global <2 x i64>, align 16
@xx = external global [13 x <2 x i64>], align 16
define <2 x i64> @static_hem() {
%t = getelementptr <2 x i64>* @x, i32 7
%tmp1 = load <2 x i64>* %t, align 1
ret <2 x i64> %tmp1
}
define <2 x i64> @hem(i32 %i) {
%t = getelementptr <2 x i64>* @x, i32 %i
%tmp1 = load <2 x i64>* %t, align 1
ret <2 x i64> %tmp1
}
define <2 x i64> @hem_2d(i32 %i, i32 %j) {
%t = getelementptr [13 x <2 x i64>]* @xx, i32 %i, i32 %j
%tmp1 = load <2 x i64>* %t, align 1
ret <2 x i64> %tmp1
}
define <2 x i64> @foo() {
%tmp1 = load <2 x i64>* @x, align 1
ret <2 x i64> %tmp1
}
define <2 x i64> @bar() {
%t = alloca <2 x i64>
call void @kip(<2 x i64>* %t);
%tmp1 = load <2 x i64>* %t, align 1
ret <2 x i64> %tmp1
}
define void @static_hem_store(<2 x i64> %y) {
%t = getelementptr <2 x i64>* @x, i32 7
store <2 x i64> %y, <2 x i64>* %t, align 1
ret void
}
define void @hem_store(i32 %i, <2 x i64> %y) {
%t = getelementptr <2 x i64>* @x, i32 %i
store <2 x i64> %y, <2 x i64>* %t, align 1
ret void
}
define void @hem_2d_store(i32 %i, i32 %j, <2 x i64> %y) {
%t = getelementptr [13 x <2 x i64>]* @xx, i32 %i, i32 %j
store <2 x i64> %y, <2 x i64>* %t, align 1
ret void
}
define void @foo_store(<2 x i64> %y) {
store <2 x i64> %y, <2 x i64>* @x, align 1
ret void
}
define void @bar_store(<2 x i64> %y) {
%t = alloca <2 x i64>
call void @kip(<2 x i64>* %t);
store <2 x i64> %y, <2 x i64>* %t, align 1
ret void
}
declare void @kip(<2 x i64>* %t)