50 lines
2.1 KiB
LLVM
50 lines
2.1 KiB
LLVM
; RUN: llc -mtriple=i386-unknown-freebsd -mcpu=core2 -stack-alignment=4 -relocation-model=pic < %s | FileCheck %s -check-prefix=UNALIGNED
|
|
; RUN: llc -mtriple=i386-unknown-freebsd -mcpu=core2 -stack-alignment=16 -relocation-model=pic < %s | FileCheck %s -check-prefix=ALIGNED
|
|
; RUN: llc -mtriple=i386-unknown-freebsd -mcpu=core2 -stack-alignment=4 -stackrealign -relocation-model=pic < %s | FileCheck %s -check-prefix=FORCEALIGNED
|
|
|
|
@arr = internal unnamed_addr global [32 x i32] zeroinitializer, align 16
|
|
|
|
; PR12250
|
|
define i32 @test1() {
|
|
vector.ph:
|
|
br label %vector.body
|
|
|
|
vector.body:
|
|
%index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
|
|
%0 = getelementptr inbounds [32 x i32], [32 x i32]* @arr, i32 0, i32 %index
|
|
%1 = bitcast i32* %0 to <4 x i32>*
|
|
%wide.load = load <4 x i32>, <4 x i32>* %1, align 16
|
|
%2 = add nsw <4 x i32> %wide.load, <i32 10, i32 10, i32 10, i32 10>
|
|
%3 = xor <4 x i32> %2, <i32 123345, i32 123345, i32 123345, i32 123345>
|
|
%4 = add nsw <4 x i32> %3, <i32 112, i32 112, i32 112, i32 112>
|
|
%5 = xor <4 x i32> %4, <i32 543345, i32 543345, i32 543345, i32 543345>
|
|
%6 = add nsw <4 x i32> %5, <i32 73, i32 73, i32 73, i32 73>
|
|
%7 = xor <4 x i32> %6, <i32 345987, i32 345987, i32 345987, i32 345987>
|
|
%8 = add nsw <4 x i32> %7, <i32 48, i32 48, i32 48, i32 48>
|
|
%9 = xor <4 x i32> %8, <i32 123987, i32 123987, i32 123987, i32 123987>
|
|
store <4 x i32> %9, <4 x i32>* %1, align 16
|
|
%index.next = add i32 %index, 4
|
|
%10 = icmp eq i32 %index.next, 32
|
|
br i1 %10, label %middle.block, label %vector.body
|
|
|
|
middle.block:
|
|
ret i32 0
|
|
|
|
; We can't fold the spill into a padd unless the stack is aligned. Just spilling
|
|
; doesn't force stack realignment though
|
|
; UNALIGNED-LABEL: @test1
|
|
; UNALIGNED-NOT: andl $-{{..}}, %esp
|
|
; UNALIGNED: movdqu {{.*}} # 16-byte Spill
|
|
; UNALIGNED-NOT: paddd {{.*}} # 16-byte Folded Reload
|
|
|
|
; ALIGNED-LABEL: @test1
|
|
; ALIGNED-NOT: andl $-{{..}}, %esp
|
|
; ALIGNED: movdqa {{.*}} # 16-byte Spill
|
|
; ALIGNED: paddd {{.*}} # 16-byte Folded Reload
|
|
|
|
; FORCEALIGNED-LABEL: @test1
|
|
; FORCEALIGNED: andl $-{{..}}, %esp
|
|
; FORCEALIGNED: movdqa {{.*}} # 16-byte Spill
|
|
; FORCEALIGNED: paddd {{.*}} # 16-byte Folded Reload
|
|
}
|