36 lines
1,006 B
LLVM
36 lines
1,006 B
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -passes=div-rem-pairs -S -mtriple=riscv64-unknown-unknown | FileCheck %s
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; Do not hoist to the common predecessor block since we don't
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; have a div-rem operation.
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define i32 @no_domination(i1 %cmp, i32 %a, i32 %b) {
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; CHECK-LABEL: @no_domination(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br i1 [[CMP:%.*]], label [[IF:%.*]], label [[ELSE:%.*]]
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; CHECK: if:
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; CHECK-NEXT: [[DIV:%.*]] = sdiv i32 [[A:%.*]], [[B:%.*]]
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; CHECK-NEXT: br label [[END:%.*]]
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; CHECK: else:
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; CHECK-NEXT: [[REM:%.*]] = srem i32 [[A]], [[B]]
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; CHECK-NEXT: br label [[END]]
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; CHECK: end:
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; CHECK-NEXT: [[RET:%.*]] = phi i32 [ [[DIV]], [[IF]] ], [ [[REM]], [[ELSE]] ]
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; CHECK-NEXT: ret i32 [[RET]]
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;
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entry:
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br i1 %cmp, label %if, label %else
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if:
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%div = sdiv i32 %a, %b
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br label %end
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else:
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%rem = srem i32 %a, %b
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br label %end
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end:
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%ret = phi i32 [ %div, %if ], [ %rem, %else ]
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ret i32 %ret
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}
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