1c55cc600e
Required manually running update_test_checks: AArch64/hoisting-sinking-required-for-vectorization.ll AArch64/peel-multiple-unreachable-exits-for-vectorization.ll ARM/arm_mult_q15.ll X86/hoist-load-of-baseptr.ll X86/spurious-peeling.ll
42 lines
1.1 KiB
LLVM
42 lines
1.1 KiB
LLVM
; RUN: opt -passes='lto<O3>' -S %s | FileCheck %s
|
|
|
|
target triple = "arm64e-apple-darwin"
|
|
|
|
@A = external unnamed_addr global ptr, align 8
|
|
@B = external unnamed_addr global ptr, align 8
|
|
@C = internal unnamed_addr global i32 0, align 4
|
|
@D = external unnamed_addr global i32, align 4
|
|
|
|
; CHECK-LABEL: @fn
|
|
; CHECK: vector.body:
|
|
;
|
|
define void @fn() {
|
|
entry:
|
|
%v.D = load i32, ptr @D, align 4
|
|
store i32 %v.D, ptr @C, align 4
|
|
call void @clobber()
|
|
|
|
%v.B = load ptr, ptr @B, align 8
|
|
%v.A = load ptr, ptr @A, align 8
|
|
%v.gep.1 = load ptr, ptr %v.A, align 8
|
|
%v.gep.2 = load ptr, ptr %v.B, align 8
|
|
%cmp = icmp eq ptr %v.gep.2, null
|
|
br i1 %cmp, label %exit, label %loop
|
|
|
|
loop:
|
|
%iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
|
|
%gep.3 = getelementptr inbounds i8, ptr %v.gep.2, i32 %iv
|
|
%v.gep.3 = load i8, ptr %gep.3, align 1
|
|
%gep.4 = getelementptr inbounds i8, ptr %v.gep.1, i32 %iv
|
|
store i8 %v.gep.3, ptr %gep.4, align 1
|
|
%iv.next = add nuw nsw i32 %iv, 1
|
|
%v.C = load i32, ptr @C, align 4
|
|
%exit.cond = icmp sgt i32 %iv, %v.C
|
|
br i1 %exit.cond, label %exit, label %loop
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
declare void @clobber()
|