llvm/test/CodeGen/XCore/licm-ldwcp.ll

19 lines
472 B
LLVM

; RUN: llc < %s -march=xcore -asm-verbose=0 | FileCheck %s
; MachineLICM should hoist the LDWCP out of the loop.
; CHECK: f:
; CHECK-NEXT: ldw [[REG:r[0-9]+]], cp[.LCPI0_0]
; CHECK-NEXT: .LBB0_1:
; CHECK-NEXT: stw [[REG]], r0[0]
; CHECK-NEXT: bu .LBB0_1
define void @f(i32* nocapture %p) noreturn nounwind {
entry:
br label %bb
bb: ; preds = %bb, %entry
store volatile i32 525509670, i32* %p, align 4
br label %bb
}