e390c229a4
Here is the list of the renamed passes: - `callbrprepare` -> `callbr-prepare` - `dwarfehprepare` -> `dwarf-eh-prepare` - `flattencfg` -> `flatten-cfg` - `loweratomic` -> `lower-atomic` - `lowerinvoke` -> `lower-invoke` - `lowerswitch` -> `lower-switch` - `winehprepare` -> `win-eh-prepare` - `targetir` -> `target-ir` - `targetlibinfo` -> `target-lib-info` Legacy passes are not affected.
41 lines
823 B
LLVM
41 lines
823 B
LLVM
; RUN: opt < %s -passes=lower-switch -S | FileCheck %s
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define i32 @test(i32 %arg) #0 {
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; CHECK-LABEL: @test
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; CHECK: 2:
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; CHECK-NEXT: %res.0 = phi i32 [ 1, %NodeBlock ], [ 2, %1 ]
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; CHECK-NEXT: br label %3
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; CHECK: 5:
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; CHECK-NEXT: %res.3 = phi i32 [ %res.2, %4 ], [ 0, %LeafBlock ], [ 0, %LeafBlock1 ]
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; CHECK-NEXT: %6 = add nsw i32 %res.3, 1
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; CHECK-NEXT: ret i32 %6
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switch i32 %arg, label %5 [
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i32 1, label %1
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i32 2, label %2
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i32 3, label %3
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i32 4, label %4
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]
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1:
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br label %2
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2:
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%res.0 = phi i32 [ 1, %0 ], [ 2, %1 ]
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br label %3
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3:
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%res.1 = phi i32 [ 0, %0 ], [ %res.0, %2 ]
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%phitmp = add nsw i32 %res.1, 2
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br label %4
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4:
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%res.2 = phi i32 [ 1, %0 ], [ %phitmp, %3 ]
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br label %5
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5:
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%res.3 = phi i32 [ 0, %0 ], [ %res.2, %4 ]
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%6 = add nsw i32 %res.3, 1
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ret i32 %6
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}
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