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42 lines
929 B
LLVM
42 lines
929 B
LLVM
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; RUN: llc -verify-machineinstrs -o - %s -mtriple=aarch64-linux-gnu | FileCheck %s
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@var32 = global i32 0
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@var64 = global i64 0
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define void @foo() {
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; CHECK-LABEL: foo:
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%val1 = load volatile i32, i32* @var32
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%tst1 = icmp eq i32 %val1, 0
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br i1 %tst1, label %end, label %test2, !prof !1
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; CHECK: cbz {{w[0-9]+}}, .LBB
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test2:
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%val2 = load volatile i32, i32* @var32
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%tst2 = icmp ne i32 %val2, 0
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br i1 %tst2, label %end, label %test3, !prof !1
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; CHECK: cbnz {{w[0-9]+}}, .LBB
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test3:
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%val3 = load volatile i64, i64* @var64
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%tst3 = icmp eq i64 %val3, 0
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br i1 %tst3, label %end, label %test4, !prof !1
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; CHECK: cbz {{x[0-9]+}}, .LBB
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test4:
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%val4 = load volatile i64, i64* @var64
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%tst4 = icmp ne i64 %val4, 0
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br i1 %tst4, label %end, label %test5, !prof !1
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; CHECK: cbnz {{x[0-9]+}}, .LBB
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test5:
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store volatile i64 %val4, i64* @var64
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ret void
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end:
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ret void
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}
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!1 = !{!"branch_weights", i32 1, i32 1}
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