llvm-project/llvm/test/Transforms/SimplifyCFG/FoldValueComparisonIntoPred...

50 lines
1.9 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -simplifycfg -simplifycfg-require-and-preserve-domtree=1 < %s | FileCheck %s
define dso_local i32 @readCBPandCoeffsFromNAL(i1 %c, i32 %x, i32 %y) local_unnamed_addr {
; CHECK-LABEL: @readCBPandCoeffsFromNAL(
; CHECK-NEXT: if.end:
; CHECK-NEXT: br i1 [[C:%.*]], label [[IF_END80:%.*]], label [[IF_THEN64:%.*]]
; CHECK: if.then64:
; CHECK-NEXT: [[MERGE:%.*]] = phi i32 [ [[Y:%.*]], [[IF_END:%.*]] ], [ 1, [[IF_END172237:%.*]] ], [ 0, [[IF_END80]] ], [ 0, [[IF_END80]] ]
; CHECK-NEXT: ret i32 [[MERGE]]
; CHECK: if.end80:
; CHECK-NEXT: switch i32 [[X:%.*]], label [[INFLOOP:%.*]] [
; CHECK-NEXT: i32 10, label [[IF_END172237]]
; CHECK-NEXT: i32 14, label [[IF_END172237]]
; CHECK-NEXT: i32 9, label [[IF_THEN64]]
; CHECK-NEXT: i32 12, label [[IF_THEN64]]
; CHECK-NEXT: ]
; CHECK: if.end172237:
; CHECK-NEXT: br label [[IF_THEN64]]
; CHECK: infloop:
; CHECK-NEXT: br label [[INFLOOP]]
;
if.end:
br i1 %c, label %if.end80, label %if.then64
if.then64: ; preds = %if.end
ret i32 %y
if.end80: ; preds = %if.end
switch i32 %x, label %lor.lhs.false89 [
i32 10, label %if.end172237
i32 14, label %if.end172237
i32 9, label %if.end172
]
lor.lhs.false89: ; preds = %lor.lhs.false89, %if.end80
%cmp91 = icmp eq i32 %x, 12
br i1 %cmp91, label %if.end172, label %lor.lhs.false89
if.end172: ; preds = %lor.lhs.false89, %if.end80
br label %if.end239
if.end172237: ; preds = %if.end80, %if.end80
br label %if.end239
if.end239: ; preds = %if.end172237, %if.end172
%cbp.0 = phi i32 [ 1, %if.end172237 ], [ 0, %if.end172 ]
ret i32 %cbp.0
}