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97e701dc7a
The existing code already considered this case. Unfortunately a typo in the condition prevents it from triggering. Also the existing code, had it run, forgot to do the folding. This fixes PR42876. Differential Revision: https://reviews.llvm.org/D65802
60 lines
1.5 KiB
LLVM
60 lines
1.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=riscv32 < %s | FileCheck --check-prefix=RV32 %s
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; RUN: llc -mtriple=riscv64 < %s | FileCheck --check-prefix=RV64 %s
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define void @bool_eq(i1 zeroext %a, i1 zeroext %b, void ()* nocapture %c) nounwind {
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; RV32-LABEL: bool_eq:
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; RV32: # %bb.0: # %entry
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; RV32-NEXT: beq a0, a1, .LBB0_2
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; RV32-NEXT: # %bb.1: # %if.end
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; RV32-NEXT: ret
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; RV32-NEXT: .LBB0_2: # %if.then
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; RV32-NEXT: jr a2
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;
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; RV64-LABEL: bool_eq:
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; RV64: # %bb.0: # %entry
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; RV64-NEXT: beq a0, a1, .LBB0_2
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; RV64-NEXT: # %bb.1: # %if.end
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; RV64-NEXT: ret
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; RV64-NEXT: .LBB0_2: # %if.then
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; RV64-NEXT: jr a2
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entry:
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%0 = xor i1 %a, %b
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br i1 %0, label %if.end, label %if.then
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if.then:
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tail call void %c() #1
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br label %if.end
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if.end:
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ret void
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}
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define void @bool_ne(i1 zeroext %a, i1 zeroext %b, void ()* nocapture %c) nounwind {
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; RV32-LABEL: bool_ne:
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; RV32: # %bb.0: # %entry
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; RV32-NEXT: beq a0, a1, .LBB1_2
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; RV32-NEXT: # %bb.1: # %if.then
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; RV32-NEXT: jr a2
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; RV32-NEXT: .LBB1_2: # %if.end
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; RV32-NEXT: ret
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;
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; RV64-LABEL: bool_ne:
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; RV64: # %bb.0: # %entry
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; RV64-NEXT: beq a0, a1, .LBB1_2
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; RV64-NEXT: # %bb.1: # %if.then
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; RV64-NEXT: jr a2
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; RV64-NEXT: .LBB1_2: # %if.end
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; RV64-NEXT: ret
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entry:
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%cmp = xor i1 %a, %b
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br i1 %cmp, label %if.then, label %if.end
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if.then:
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tail call void %c() #1
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br label %if.end
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if.end:
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ret void
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}
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