derek.holloway
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94 lines
2.2 KiB
LLVM
94 lines
2.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -verify-machineinstrs -csky-no-aliases -mattr=+e2 -mattr=+2e3 < %s -mtriple=csky | FileCheck %s
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define i32 @ctlz_0(i32 %x) {
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; CHECK-LABEL: ctlz_0:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: ff1.32 a0, a0
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; CHECK-NEXT: rts16
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entry:
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%nlz = call i32 @llvm.ctlz.i32(i32 %x, i1 0)
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ret i32 %nlz
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}
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define i32 @ctlz_1(i32 %x) {
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; CHECK-LABEL: ctlz_1:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: ff1.32 a0, a0
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; CHECK-NEXT: rts16
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entry:
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%nlz = call i32 @llvm.ctlz.i32(i32 %x, i1 1)
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ret i32 %nlz
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}
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define i32 @cttz_0(i32 %x) {
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; CHECK-LABEL: cttz_0:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: brev32 a0, a0
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; CHECK-NEXT: ff1.32 a0, a0
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; CHECK-NEXT: rts16
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entry:
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%ntz = call i32 @llvm.cttz.i32(i32 %x, i1 0)
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ret i32 %ntz
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}
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define i32 @cttz_1(i32 %x) {
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; CHECK-LABEL: cttz_1:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: brev32 a0, a0
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; CHECK-NEXT: ff1.32 a0, a0
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; CHECK-NEXT: rts16
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entry:
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%ntz = call i32 @llvm.cttz.i32(i32 %x, i1 1)
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ret i32 %ntz
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}
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define i32 @bswap(i32 %x) {
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; CHECK-LABEL: bswap:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: revb16 a0, a0
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; CHECK-NEXT: rts16
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entry:
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%revb32 = call i32 @llvm.bswap.i32(i32 %x)
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ret i32 %revb32
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}
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define i16 @bswap16(i16 %x) {
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; CHECK-LABEL: bswap16:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: revb16 a0, a0
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; CHECK-NEXT: lsri16 a0, a0, 16
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; CHECK-NEXT: rts16
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entry:
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%revb16 = call i16 @llvm.bswap.i16(i16 %x)
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ret i16 %revb16
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}
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define i32 @bitreverse_32(i32 %x) {
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; CHECK-LABEL: bitreverse_32:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: brev32 a0, a0
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; CHECK-NEXT: rts16
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entry:
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%brev32 = call i32 @llvm.bitreverse.i32(i32 %x)
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ret i32 %brev32
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}
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define i16 @bitreverse_16(i16 %x) {
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; CHECK-LABEL: bitreverse_16:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: brev32 a0, a0
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; CHECK-NEXT: lsri16 a0, a0, 16
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; CHECK-NEXT: rts16
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entry:
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%brev = call i16 @llvm.bitreverse.i16(i16 %x)
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ret i16 %brev
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}
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declare i32 @llvm.bswap.i32(i32)
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declare i16 @llvm.bswap.i16(i16)
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declare i32 @llvm.ctlz.i32 (i32, i1)
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declare i32 @llvm.cttz.i32 (i32, i1)
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declare i32 @llvm.bitreverse.i32(i32)
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declare i16 @llvm.bitreverse.i16(i16)
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