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| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -verify-machineinstrs -mcpu=pwr8 -mtriple=powerpc64le-unknown-gnu-linux < %s | FileCheck %s -check-prefix=CHECK
define signext i32 @memcmp8(i32* nocapture readonly %buffer1, i32* nocapture readonly %buffer2) {
; CHECK-LABEL: memcmp8:
; CHECK: # %bb.0:
; CHECK-NEXT: ldbrx 3, 0, 3
; CHECK-NEXT: ldbrx 4, 0, 4
; CHECK-NEXT: subfc 5, 3, 4
; CHECK-NEXT: subfe 5, 4, 4
; CHECK-NEXT: subfc 4, 4, 3
; CHECK-NEXT: subfe 3, 3, 3
; CHECK-NEXT: neg 4, 5
; CHECK-NEXT: neg 3, 3
; CHECK-NEXT: subf 3, 3, 4
; CHECK-NEXT: extsw 3, 3
; CHECK-NEXT: blr
%t0 = bitcast i32* %buffer1 to i8*
%t1 = bitcast i32* %buffer2 to i8*
%call = tail call signext i32 @memcmp(i8* %t0, i8* %t1, i64 8)
ret i32 %call
}
define signext i32 @memcmp4(i32* nocapture readonly %buffer1, i32* nocapture readonly %buffer2) {
; CHECK-LABEL: memcmp4:
; CHECK: # %bb.0:
; CHECK-NEXT: lwbrx 3, 0, 3
; CHECK-NEXT: lwbrx 4, 0, 4
; CHECK-NEXT: sub 5, 4, 3
; CHECK-NEXT: sub 3, 3, 4
; CHECK-NEXT: rldicl 4, 5, 1, 63
; CHECK-NEXT: rldicl 3, 3, 1, 63
; CHECK-NEXT: subf 3, 3, 4
; CHECK-NEXT: extsw 3, 3
; CHECK-NEXT: blr
%t0 = bitcast i32* %buffer1 to i8*
%t1 = bitcast i32* %buffer2 to i8*
%call = tail call signext i32 @memcmp(i8* %t0, i8* %t1, i64 4)
ret i32 %call
}
define signext i32 @memcmp2(i32* nocapture readonly %buffer1, i32* nocapture readonly %buffer2) {
; CHECK-LABEL: memcmp2:
; CHECK: # %bb.0:
; CHECK-NEXT: lhbrx 3, 0, 3
; CHECK-NEXT: lhbrx 4, 0, 4
; CHECK-NEXT: subf 3, 4, 3
; CHECK-NEXT: extsw 3, 3
; CHECK-NEXT: blr
%t0 = bitcast i32* %buffer1 to i8*
%t1 = bitcast i32* %buffer2 to i8*
%call = tail call signext i32 @memcmp(i8* %t0, i8* %t1, i64 2)
ret i32 %call
}
define signext i32 @memcmp1(i32* nocapture readonly %buffer1, i32* nocapture readonly %buffer2) {
; CHECK-LABEL: memcmp1:
; CHECK: # %bb.0:
; CHECK-NEXT: lbz 3, 0(3)
; CHECK-NEXT: lbz 4, 0(4)
; CHECK-NEXT: subf 3, 4, 3
; CHECK-NEXT: extsw 3, 3
; CHECK-NEXT: blr
%t0 = bitcast i32* %buffer1 to i8*
%t1 = bitcast i32* %buffer2 to i8*
%call = tail call signext i32 @memcmp(i8* %t0, i8* %t1, i64 1) #2
ret i32 %call
}
declare signext i32 @memcmp(i8*, i8*, i64)
|