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[SimplifyCFG] Add test for PR49839 (NFC)

This commit is contained in:
Nikita Popov 2022-06-13 14:34:47 +02:00
parent 5724231af2
commit abefed6f97
1 changed files with 19 additions and 0 deletions
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19
llvm/test/Transforms/SimplifyCFG/ConditionalTrappingConstantExpr.ll
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@ -66,3 +66,22 @@ bb9:
bb10:
ret i32 927
}
@g = external global i32
define <1 x i64> @trapping_const_agg(i1 %c) {
; CHECK-LABEL: @trapping_const_agg(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[SPEC_SELECT:%.*]] = select i1 [[C:%.*]], <1 x i64> <i64 srem (i64 1, i64 ptrtoint (i32* @g to i64))>, <1 x i64> zeroinitializer
; CHECK-NEXT: ret <1 x i64> [[SPEC_SELECT]]
;
entry:
br i1 %c, label %if, label %end
if:
br label %end
end:
%phi = phi <1 x i64> [ zeroinitializer, %entry ], [ <i64 srem (i64 1, i64 ptrtoint (i32* @g to i64))>, %if ]
ret <1 x i64> %phi
}