logic-ops-on-compares.ll
5.91 KB
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; XFAIL: *
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -O2 \
; RUN: -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-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
; RUN: --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
; Function Attrs: nounwind
define signext i32 @logic_ne_32(i32 signext %a, i32 signext %b, i32 signext %c) {
; CHECK-LABEL: logic_ne_32:
; CHECK: xor r7, r3, r4
; CHECK-NEXT: li r6, 55
; CHECK-NEXT: xor r5, r5, r6
; CHECK-NEXT: or r7, r7, r4
; CHECK-NEXT: cntlzw r5, r5
; CHECK-NEXT: cntlzw r6, r7
; CHECK-NEXT: srwi r6, r6, 5
; CHECK-NEXT: srwi r5, r5, 5
; CHECK-NEXT: or. r5, r6, r5
; CHECK-NEXT: bc 4, gt
entry:
%tobool = icmp eq i32 %a, %b
%tobool1 = icmp eq i32 %b, 0
%or.cond = and i1 %tobool, %tobool1
%tobool3 = icmp eq i32 %c, 55
%or.cond5 = or i1 %or.cond, %tobool3
br i1 %or.cond5, label %if.end, label %if.then
if.then: ; preds = %entry
%call = tail call signext i32 @foo(i32 signext %a) #2
br label %return
if.end: ; preds = %entry
%call4 = tail call signext i32 @bar(i32 signext %b) #2
br label %return
return: ; preds = %if.end, %if.then
%retval.0 = phi i32 [ %call4, %if.end ], [ %call, %if.then ]
ret i32 %retval.0
}
define void @neg_truncate_i32_eq(i32 *%ptr) {
; CHECK-LABEL: neg_truncate_i32_eq:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: lwz r3, 0(r3)
; CHECK-NEXT: rldicl. r3, r3, 0, 63
; CHECK-NEXT: bclr 12, eq, 0
; CHECK-NEXT: # %bb.1: # %if.end29.thread136
entry:
%0 = load i32, i32* %ptr, align 4
%rem17127 = and i32 %0, 1
%cmp18 = icmp eq i32 %rem17127, 0
br label %if.else
if.else: ; preds = %entry
br i1 %cmp18, label %if.end29, label %if.end29.thread136
if.end29.thread136: ; preds = %if.else
unreachable
if.end29: ; preds = %if.else
ret void
}
; Function Attrs: nounwind
define i64 @logic_eq_64(i64 %a, i64 %b, i64 %c) {
; CHECK-LABEL: logic_eq_64:
; CHECK: xor r7, r3, r4
; CHECK-NEXT: li r6, 55
; CHECK-NEXT: xor r5, r5, r6
; CHECK-NEXT: or r7, r7, r4
; CHECK-NEXT: cntlzd r6, r7
; CHECK-NEXT: cntlzd r5, r5
; CHECK-NEXT: rldicl r6, r6, 58, 63
; CHECK-NEXT: rldicl r5, r5, 58, 63
; CHECK-NEXT: or. r5, r6, r5
; CHECK-NEXT: bc 4, gt
entry:
%tobool = icmp eq i64 %a, %b
%tobool1 = icmp eq i64 %b, 0
%or.cond = and i1 %tobool, %tobool1
%tobool3 = icmp eq i64 %c, 55
%or.cond5 = or i1 %or.cond, %tobool3
br i1 %or.cond5, label %if.end, label %if.then
if.then: ; preds = %entry
%call = tail call i64 @foo64(i64 %a) #2
br label %return
if.end: ; preds = %entry
%call4 = tail call i64 @bar64(i64 %b) #2
br label %return
return: ; preds = %if.end, %if.then
%retval.0 = phi i64 [ %call4, %if.end ], [ %call, %if.then ]
ret i64 %retval.0
}
define void @neg_truncate_i64_eq(i64 *%ptr) {
; CHECK-LABEL: neg_truncate_i64_eq:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: ld r3, 0(r3)
; CHECK-NEXT: rldicl. r3, r3, 0, 63
; CHECK-NEXT: bclr 12, eq, 0
; CHECK-NEXT: # %bb.1: # %if.end29.thread136
entry:
%0 = load i64, i64* %ptr, align 4
%rem17127 = and i64 %0, 1
%cmp18 = icmp eq i64 %rem17127, 0
br label %if.else
if.else: ; preds = %entry
br i1 %cmp18, label %if.end29, label %if.end29.thread136
if.end29.thread136: ; preds = %if.else
unreachable
if.end29: ; preds = %if.else
ret void
}
; Function Attrs: nounwind
define i64 @logic_ne_64(i64 %a, i64 %b, i64 %c) {
; CHECK-LABEL: logic_ne_64:
; CHECK: xor r7, r3, r4
; CHECK-NEXT: li r6, 55
; CHECK-NEXT: addic r8, r7, -1
; CHECK-NEXT: xor r5, r5, r6
; CHECK-NEXT: subfe r7, r8, r7
; CHECK-NEXT: cntlzd r5, r5
; CHECK-NEXT: addic r12, r4, -1
; CHECK-NEXT: rldicl r5, r5, 58, 63
; CHECK-NEXT: subfe r6, r12, r4
; CHECK-NEXT: and r6, r7, r6
; CHECK-NEXT: or. r5, r6, r5
; CHECK-NEXT: bc 4, gt
entry:
%tobool = icmp ne i64 %a, %b
%tobool1 = icmp ne i64 %b, 0
%or.cond = and i1 %tobool, %tobool1
%tobool3 = icmp eq i64 %c, 55
%or.cond5 = or i1 %or.cond, %tobool3
br i1 %or.cond5, label %if.end, label %if.then
if.then: ; preds = %entry
%call = tail call i64 @foo64(i64 %a) #2
br label %return
if.end: ; preds = %entry
%call4 = tail call i64 @bar64(i64 %b) #2
br label %return
return: ; preds = %if.end, %if.then
%retval.0 = phi i64 [ %call4, %if.end ], [ %call, %if.then ]
ret i64 %retval.0
}
define void @neg_truncate_i64_ne(i64 *%ptr) {
; CHECK-LABEL: neg_truncate_i64_ne:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: ld r3, 0(r3)
; CHECK-NEXT: andi. r3, r3, 1
; CHECK-NEXT: bclr 12, gt, 0
; CHECK-NEXT: # %bb.1: # %if.end29.thread136
entry:
%0 = load i64, i64* %ptr, align 4
%rem17127 = and i64 %0, 1
%cmp18 = icmp ne i64 %rem17127, 0
br label %if.else
if.else: ; preds = %entry
br i1 %cmp18, label %if.end29, label %if.end29.thread136
if.end29.thread136: ; preds = %if.else
unreachable
if.end29: ; preds = %if.else
ret void
}
declare signext i32 @foo(i32 signext)
declare signext i32 @bar(i32 signext)
declare i64 @foo64(i64)
declare i64 @bar64(i64)