xref: /llvm-project/llvm/test/Transforms/IndVarSimplify/X86/pr27133.ll (revision dce77a357948709e335910ddc07f9c3f2eb2ac4b)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -passes=indvars -S < %s | FileCheck %s
3target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
4target triple = "x86_64-pc-windows-msvc18.0.0"
5
6define i32 @fn2() personality ptr @__CxxFrameHandler3 {
7; CHECK-LABEL: @fn2(
8; CHECK-NEXT:  entry:
9; CHECK-NEXT:    br label [[FOR_COND:%.*]]
10; CHECK:       for.cond:
11; CHECK-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_INC:%.*]] ], [ 0, [[ENTRY:%.*]] ]
12; CHECK-NEXT:    [[INDVARS1:%.*]] = trunc i64 [[INDVARS_IV]] to i32
13; CHECK-NEXT:    invoke void @fn1(i64 [[INDVARS_IV]])
14; CHECK-NEXT:            to label [[FOR_INC]] unwind label [[CATCH_DISPATCH:%.*]]
15; CHECK:       catch.dispatch:
16; CHECK-NEXT:    [[C_0_LCSSA:%.*]] = phi i32 [ [[INDVARS1]], [[FOR_COND]] ]
17; CHECK-NEXT:    [[TMP0:%.*]] = catchswitch within none [label %catch] unwind to caller
18; CHECK:       catch:
19; CHECK-NEXT:    [[TMP1:%.*]] = catchpad within [[TMP0]] [ptr null, i32 64, ptr null]
20; CHECK-NEXT:    catchret from [[TMP1]] to label [[EXIT:%.*]]
21; CHECK:       exit:
22; CHECK-NEXT:    ret i32 [[C_0_LCSSA]]
23; CHECK:       for.inc:
24; CHECK-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
25; CHECK-NEXT:    br label [[FOR_COND]]
26;
27entry:
28  br label %for.cond
29
30for.cond:                                         ; preds = %for.inc, %entry
31  %c.0 = phi i32 [ %inc, %for.inc ], [ 0, %entry ]
32  %idxprom = sext i32 %c.0 to i64
33  invoke void @fn1(i64 %idxprom)
34  to label %for.inc unwind label %catch.dispatch
35
36catch.dispatch:                                   ; preds = %for.cond
37  %c.0.lcssa = phi i32 [ %c.0, %for.cond ]
38  %0 = catchswitch within none [label %catch] unwind to caller
39
40catch:                                            ; preds = %catch.dispatch
41  %1 = catchpad within %0 [ptr null, i32 64, ptr null]
42  catchret from %1 to label %exit
43
44exit:
45  ret i32 %c.0.lcssa
46
47for.inc:                                          ; preds = %for.cond
48  %inc = add nsw nuw i32 %c.0, 1
49  br label %for.cond
50}
51
52declare void @fn1(i64 %idxprom)
53
54declare i32 @__CxxFrameHandler3(...)
55