85 lines
2.1 KiB
LLVM
85 lines
2.1 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -O3 -mtriple=aarch64-linux-gnu < %s | FileCheck %s
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define i32 @test(i32 %input, i32 %n, i32 %a) {
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; CHECK-LABEL: test:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: cbz w1, .LBB0_2
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; CHECK-NEXT: // %bb.1:
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; CHECK-NEXT: mov w0, wzr
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; CHECK-NEXT: ret
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; CHECK-NEXT: .LBB0_2: // %bb.0
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; CHECK-NEXT: add w8, w0, w1
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; CHECK-NEXT: mov w0, #100 // =0x64
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; CHECK-NEXT: cmp w8, #1
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; CHECK-NEXT: b.le .LBB0_7
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; CHECK-NEXT: // %bb.3: // %bb.0
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; CHECK-NEXT: cmp w8, #2
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; CHECK-NEXT: b.eq .LBB0_10
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; CHECK-NEXT: // %bb.4: // %bb.0
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; CHECK-NEXT: cmp w8, #4
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; CHECK-NEXT: b.eq .LBB0_11
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; CHECK-NEXT: // %bb.5: // %bb.0
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; CHECK-NEXT: cmp w8, #200
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; CHECK-NEXT: b.ne .LBB0_12
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; CHECK-NEXT: // %bb.6: // %sw.bb7
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; CHECK-NEXT: add w0, w2, #7
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; CHECK-NEXT: ret
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; CHECK-NEXT: .LBB0_7: // %bb.0
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; CHECK-NEXT: cbz w8, .LBB0_13
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; CHECK-NEXT: // %bb.8: // %bb.0
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; CHECK-NEXT: cmp w8, #1
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; CHECK-NEXT: b.ne .LBB0_12
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; CHECK-NEXT: // %bb.9: // %sw.bb1
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; CHECK-NEXT: add w0, w2, #3
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; CHECK-NEXT: ret
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; CHECK-NEXT: .LBB0_10: // %sw.bb3
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; CHECK-NEXT: add w0, w2, #4
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; CHECK-NEXT: ret
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; CHECK-NEXT: .LBB0_11: // %sw.bb5
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; CHECK-NEXT: add w0, w2, #5
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; CHECK-NEXT: .LBB0_12: // %return
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; CHECK-NEXT: ret
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; CHECK-NEXT: .LBB0_13: // %sw.bb
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; CHECK-NEXT: add w0, w2, #1
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; CHECK-NEXT: ret
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entry:
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%b = add nsw i32 %input, %n
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%cmp = icmp eq i32 %n, 0
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br i1 %cmp, label %bb.0, label %return
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bb.0:
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switch i32 %b, label %return [
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i32 0, label %sw.bb
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i32 1, label %sw.bb1
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i32 2, label %sw.bb3
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i32 4, label %sw.bb5
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i32 200, label %sw.bb7
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]
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sw.bb:
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%add = add nsw i32 %a, 1
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br label %return
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sw.bb1:
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%add2 = add nsw i32 %a, 3
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br label %return
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sw.bb3:
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%add4 = add nsw i32 %a, 4
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br label %return
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sw.bb5:
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%add6 = add nsw i32 %a, 5
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br label %return
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sw.bb7:
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%add8 = add nsw i32 %a, 7
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br label %return
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return:
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%retval.0 = phi i32 [ %add8, %sw.bb7 ], [ %add6, %sw.bb5 ], [ %add4, %sw.bb3 ], [ %add2, %sw.bb1 ], [ %add, %sw.bb ], [ 100, %bb.0 ], [ 0, %entry ]
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ret i32 %retval.0
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}
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