diff options
Diffstat (limited to 'test/CodeGen/XCore')
-rw-r--r-- | test/CodeGen/XCore/licm-ldwcp.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/CodeGen/XCore/licm-ldwcp.ll b/test/CodeGen/XCore/licm-ldwcp.ll new file mode 100644 index 0000000..4884f70 --- /dev/null +++ b/test/CodeGen/XCore/licm-ldwcp.ll @@ -0,0 +1,18 @@ +; 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 + volatile store i32 525509670, i32* %p, align 4 + br label %bb +} |