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a1d16b53e8
This information is required if we want LDWCP to be hoisted out of loops. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139495 91177308-0d34-0410-b5e6-96231b3b80d8
19 lines
472 B
LLVM
19 lines
472 B
LLVM
; RUN: llc < %s -march=xcore -asm-verbose=0 | FileCheck %s
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; MachineLICM should hoist the LDWCP out of the loop.
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; CHECK: f:
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; CHECK-NEXT: ldw [[REG:r[0-9]+]], cp[.LCPI0_0]
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; CHECK-NEXT: .LBB0_1:
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; CHECK-NEXT: stw [[REG]], r0[0]
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; CHECK-NEXT: bu .LBB0_1
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define void @f(i32* nocapture %p) noreturn nounwind {
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entry:
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br label %bb
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bb: ; preds = %bb, %entry
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volatile store i32 525509670, i32* %p, align 4
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br label %bb
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}
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