156 lines
4.1 KiB
LLVM
156 lines
4.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s | FileCheck --check-prefixes=CHECK,RV32 %s
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; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s | FileCheck --check-prefixes=CHECK,RV64 %s
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define i16 @select_xor_1(i16 %A, i8 %cond) {
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; RV32-LABEL: select_xor_1:
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; RV32: # %bb.0: # %entry
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; RV32-NEXT: andi a1, a1, 1
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; RV32-NEXT: neg a1, a1
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; RV32-NEXT: andi a1, a1, 43
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; RV32-NEXT: xor a0, a1, a0
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; RV32-NEXT: ret
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;
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; RV64-LABEL: select_xor_1:
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; RV64: # %bb.0: # %entry
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; RV64-NEXT: andi a1, a1, 1
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; RV64-NEXT: negw a1, a1
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; RV64-NEXT: andi a1, a1, 43
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; RV64-NEXT: xor a0, a1, a0
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; RV64-NEXT: ret
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entry:
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%and = and i8 %cond, 1
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%cmp10 = icmp eq i8 %and, 0
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%0 = xor i16 %A, 43
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%1 = select i1 %cmp10, i16 %A, i16 %0
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ret i16 %1
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}
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; Equivalent to above, but with icmp ne (and %cond, 1), 1 instead of
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; icmp eq (and %cond, 1), 0
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define i16 @select_xor_1b(i16 %A, i8 %cond) {
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; RV32-LABEL: select_xor_1b:
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; RV32: # %bb.0: # %entry
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; RV32-NEXT: andi a1, a1, 1
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; RV32-NEXT: neg a1, a1
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; RV32-NEXT: andi a1, a1, 43
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; RV32-NEXT: xor a0, a1, a0
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; RV32-NEXT: ret
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;
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; RV64-LABEL: select_xor_1b:
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; RV64: # %bb.0: # %entry
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; RV64-NEXT: andi a1, a1, 1
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; RV64-NEXT: negw a1, a1
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; RV64-NEXT: andi a1, a1, 43
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; RV64-NEXT: xor a0, a1, a0
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; RV64-NEXT: ret
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entry:
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%and = and i8 %cond, 1
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%cmp10 = icmp ne i8 %and, 1
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%0 = xor i16 %A, 43
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%1 = select i1 %cmp10, i16 %A, i16 %0
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ret i16 %1
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}
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define i32 @select_xor_2(i32 %A, i32 %B, i8 %cond) {
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; CHECK-LABEL: select_xor_2:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: andi a2, a2, 1
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; CHECK-NEXT: neg a2, a2
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; CHECK-NEXT: and a1, a2, a1
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; CHECK-NEXT: xor a0, a1, a0
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; CHECK-NEXT: ret
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entry:
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%and = and i8 %cond, 1
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%cmp10 = icmp eq i8 %and, 0
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%0 = xor i32 %B, %A
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%1 = select i1 %cmp10, i32 %A, i32 %0
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ret i32 %1
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}
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; Equivalent to above, but with icmp ne (and %cond, 1), 1 instead of
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; icmp eq (and %cond, 1), 0
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define i32 @select_xor_2b(i32 %A, i32 %B, i8 %cond) {
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; CHECK-LABEL: select_xor_2b:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: andi a2, a2, 1
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; CHECK-NEXT: neg a2, a2
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; CHECK-NEXT: and a1, a2, a1
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; CHECK-NEXT: xor a0, a1, a0
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; CHECK-NEXT: ret
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entry:
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%and = and i8 %cond, 1
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%cmp10 = icmp ne i8 %and, 1
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%0 = xor i32 %B, %A
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%1 = select i1 %cmp10, i32 %A, i32 %0
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ret i32 %1
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}
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define i32 @select_or(i32 %A, i32 %B, i8 %cond) {
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; CHECK-LABEL: select_or:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: andi a2, a2, 1
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; CHECK-NEXT: neg a2, a2
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; CHECK-NEXT: and a1, a2, a1
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; CHECK-NEXT: or a0, a1, a0
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; CHECK-NEXT: ret
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entry:
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%and = and i8 %cond, 1
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%cmp10 = icmp eq i8 %and, 0
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%0 = or i32 %B, %A
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%1 = select i1 %cmp10, i32 %A, i32 %0
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ret i32 %1
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}
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; Equivalent to above, but with icmp ne (and %cond, 1), 1 instead of
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; icmp eq (and %cond, 1), 0
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define i32 @select_or_b(i32 %A, i32 %B, i8 %cond) {
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; CHECK-LABEL: select_or_b:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: andi a2, a2, 1
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; CHECK-NEXT: neg a2, a2
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; CHECK-NEXT: and a1, a2, a1
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; CHECK-NEXT: or a0, a1, a0
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; CHECK-NEXT: ret
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entry:
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%and = and i8 %cond, 1
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%cmp10 = icmp ne i8 %and, 1
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%0 = or i32 %B, %A
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%1 = select i1 %cmp10, i32 %A, i32 %0
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ret i32 %1
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}
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define i32 @select_or_1(i32 %A, i32 %B, i32 %cond) {
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; CHECK-LABEL: select_or_1:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: andi a2, a2, 1
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; CHECK-NEXT: neg a2, a2
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; CHECK-NEXT: and a1, a2, a1
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; CHECK-NEXT: or a0, a1, a0
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; CHECK-NEXT: ret
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entry:
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%and = and i32 %cond, 1
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%cmp10 = icmp eq i32 %and, 0
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%0 = or i32 %B, %A
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%1 = select i1 %cmp10, i32 %A, i32 %0
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ret i32 %1
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}
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; Equivalent to above, but with icmp ne (and %cond, 1), 1 instead of
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; icmp eq (and %cond, 1), 0
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define i32 @select_or_1b(i32 %A, i32 %B, i32 %cond) {
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; CHECK-LABEL: select_or_1b:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: andi a2, a2, 1
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; CHECK-NEXT: neg a2, a2
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; CHECK-NEXT: and a1, a2, a1
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; CHECK-NEXT: or a0, a1, a0
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; CHECK-NEXT: ret
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entry:
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%and = and i32 %cond, 1
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%cmp10 = icmp ne i32 %and, 1
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%0 = or i32 %B, %A
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%1 = select i1 %cmp10, i32 %A, i32 %0
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ret i32 %1
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}
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