bitreverse.ll
2.69 KB
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; RUN: llc < %s -mtriple=ve-unknown-unknown | FileCheck %s
define i64 @func1(i64 %p) {
; CHECK-LABEL: func1:
; CHECK: .LBB{{[0-9]+}}_2:
; CHECK-NEXT: brv %s0, %s0
; CHECK-NEXT: or %s11, 0, %s9
%r = tail call i64 @llvm.bitreverse.i64(i64 %p)
ret i64 %r
}
declare i64 @llvm.bitreverse.i64(i64)
define i32 @func2(i32 %p) {
; CHECK-LABEL: func2:
; CHECK: .LBB{{[0-9]+}}_2:
; CHECK-NEXT: # kill: def $sw0 killed $sw0 def $sx0
; CHECK-NEXT: brv %s0, %s0
; CHECK-NEXT: srl %s0, %s0, 32
; CHECK-NEXT: adds.w.sx %s0, %s0, (0)1
; CHECK-NEXT: or %s11, 0, %s9
%r = tail call i32 @llvm.bitreverse.i32(i32 %p)
ret i32 %r
}
declare i32 @llvm.bitreverse.i32(i32)
define signext i16 @func3(i16 signext %p) {
; CHECK-LABEL: func3:
; CHECK: .LBB{{[0-9]+}}_2:
; CHECK-NEXT: # kill: def $sw0 killed $sw0 def $sx0
; CHECK-NEXT: brv %s0, %s0
; CHECK-NEXT: sra.l %s0, %s0, 48
; CHECK-NEXT: adds.w.sx %s0, %s0, (0)1
; CHECK-NEXT: or %s11, 0, %s9
%r = tail call i16 @llvm.bitreverse.i16(i16 %p)
ret i16 %r
}
declare i16 @llvm.bitreverse.i16(i16)
define signext i8 @func4(i8 signext %p) {
; CHECK-LABEL: func4:
; CHECK: .LBB{{[0-9]+}}_2:
; CHECK-NEXT: # kill: def $sw0 killed $sw0 def $sx0
; CHECK-NEXT: brv %s0, %s0
; CHECK-NEXT: sra.l %s0, %s0, 56
; CHECK-NEXT: adds.w.sx %s0, %s0, (0)1
; CHECK-NEXT: or %s11, 0, %s9
%r = tail call i8 @llvm.bitreverse.i8(i8 %p)
ret i8 %r
}
declare i8 @llvm.bitreverse.i8(i8)
define i64 @func5(i64 %p) {
; CHECK-LABEL: func5:
; CHECK: .LBB{{[0-9]+}}_2:
; CHECK-NEXT: brv %s0, %s0
; CHECK-NEXT: or %s11, 0, %s9
%r = tail call i64 @llvm.bitreverse.i64(i64 %p)
ret i64 %r
}
define i32 @func6(i32 %p) {
; CHECK-LABEL: func6:
; CHECK: .LBB{{[0-9]+}}_2:
; CHECK-NEXT: # kill: def $sw0 killed $sw0 def $sx0
; CHECK-NEXT: brv %s0, %s0
; CHECK-NEXT: srl %s0, %s0, 32
; CHECK-NEXT: adds.w.sx %s0, %s0, (0)1
; CHECK-NEXT: or %s11, 0, %s9
%r = tail call i32 @llvm.bitreverse.i32(i32 %p)
ret i32 %r
}
define zeroext i16 @func7(i16 zeroext %p) {
; CHECK-LABEL: func7:
; CHECK: .LBB{{[0-9]+}}_2:
; CHECK-NEXT: # kill: def $sw0 killed $sw0 def $sx0
; CHECK-NEXT: brv %s0, %s0
; CHECK-NEXT: srl %s0, %s0, 48
; CHECK-NEXT: adds.w.sx %s0, %s0, (0)1
; CHECK-NEXT: or %s11, 0, %s9
%r = tail call i16 @llvm.bitreverse.i16(i16 %p)
ret i16 %r
}
define zeroext i8 @func8(i8 zeroext %p) {
; CHECK-LABEL: func8:
; CHECK: .LBB{{[0-9]+}}_2:
; CHECK-NEXT: # kill: def $sw0 killed $sw0 def $sx0
; CHECK-NEXT: brv %s0, %s0
; CHECK-NEXT: srl %s0, %s0, 56
; CHECK-NEXT: adds.w.sx %s0, %s0, (0)1
; CHECK-NEXT: or %s11, 0, %s9
%r = tail call i8 @llvm.bitreverse.i8(i8 %p)
ret i8 %r
}