blob: 9623a63e9bc374163d9e39da3130fd2297725557 [file] [log] [blame]
; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -O2 \
; RUN: -ppc-gpr-icmps=all -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
; RUN: --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -O2 \
; RUN: -ppc-gpr-icmps=all -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
; RUN: --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
%struct.tree_common = type { i8, [3 x i8] }
declare signext i32 @fn2(...) local_unnamed_addr #1
; Function Attrs: nounwind
define i32 @testCompare1(%struct.tree_common* nocapture readonly %arg1) {
; CHECK-LABEL: testCompare1:
; CHECK: # %bb.0: # %entry
; CHECK: lbz r3, 0(r3)
; CHECK-DAG: clrlwi r3, r3, 31
; CHECK-DAG: clrldi r3, r3, 32
; CHECK: lbz r4, 0(r4)
; CHECK-DAG: clrlwi r4, r4, 31
; CHECK-DAG: clrldi r4, r4, 32
; CHECK: sub r3, r4, r3
; CHECK-NEXT: rldicl r3, r3, 1, 63
entry:
%bf.load = load i8, i8* bitcast (i32 (%struct.tree_common*)* @testCompare1 to i8*), align 4
%bf.clear = and i8 %bf.load, 1
%0 = getelementptr inbounds %struct.tree_common, %struct.tree_common* %arg1, i64 0, i32 0
%bf.load1 = load i8, i8* %0, align 4
%bf.clear2 = and i8 %bf.load1, 1
%cmp = icmp ult i8 %bf.clear, %bf.clear2
%conv = zext i1 %cmp to i32
%call = tail call signext i32 bitcast (i32 (...)* @fn2 to i32 (i32)*)(i32 signext %conv) #2
ret i32 undef
}
; Function Attrs: norecurse nounwind readnone
define signext i32 @testCompare2(i32 zeroext %a, i32 zeroext %b) {
; CHECK-LABEL: testCompare2:
; CHECK: # %bb.0: # %entry
; CHECK-DAG: rlwinm r3, r3, 0, 31, 31
; CHECK-DAG: rlwinm r4, r4, 0, 31, 31
; CHECK-DAG: clrldi r3, r3, 32
; CHECK-DAG: clrldi r4, r4, 32
; CHECK: sub r3, r3, r4
; CHECK-NEXT: rldicl r3, r3, 1, 63
; CHECK-NEXT: blr
entry:
%and = and i32 %a, 1
%and1 = and i32 %b, 1
%cmp = icmp ult i32 %and, %and1
%conv = zext i1 %cmp to i32
ret i32 %conv
}