llvm-project/llvm/test/CodeGen/PowerPC/signbit-shift.ll

152 lines
3.4 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=powerpc64le-- | FileCheck %s
; If positive...
define i32 @zext_ifpos(i32 %x) {
; CHECK-LABEL: zext_ifpos:
; CHECK: # %bb.0:
; CHECK-NEXT: nor 3, 3, 3
; CHECK-NEXT: srwi 3, 3, 31
; CHECK-NEXT: blr
%c = icmp sgt i32 %x, -1
%e = zext i1 %c to i32
ret i32 %e
}
define i32 @add_zext_ifpos(i32 %x) {
; CHECK-LABEL: add_zext_ifpos:
; CHECK: # %bb.0:
; CHECK-NEXT: srwi 3, 3, 31
; CHECK-NEXT: xori 3, 3, 1
; CHECK-NEXT: addi 3, 3, 41
; CHECK-NEXT: blr
%c = icmp sgt i32 %x, -1
%e = zext i1 %c to i32
%r = add i32 %e, 41
ret i32 %r
}
define i32 @sel_ifpos_tval_bigger(i32 %x) {
; CHECK-LABEL: sel_ifpos_tval_bigger:
; CHECK: # %bb.0:
; CHECK-NEXT: li 4, 41
; CHECK-NEXT: cmpwi 0, 3, -1
; CHECK-NEXT: li 3, 42
; CHECK-NEXT: isel 3, 3, 4, 1
; CHECK-NEXT: blr
%c = icmp sgt i32 %x, -1
%r = select i1 %c, i32 42, i32 41
ret i32 %r
}
define i32 @sext_ifpos(i32 %x) {
; CHECK-LABEL: sext_ifpos:
; CHECK: # %bb.0:
; CHECK-NEXT: nor 3, 3, 3
; CHECK-NEXT: srawi 3, 3, 31
; CHECK-NEXT: blr
%c = icmp sgt i32 %x, -1
%e = sext i1 %c to i32
ret i32 %e
}
define i32 @add_sext_ifpos(i32 %x) {
; CHECK-LABEL: add_sext_ifpos:
; CHECK: # %bb.0:
; CHECK-NEXT: srawi 3, 3, 31
; CHECK-NEXT: nor 3, 3, 3
; CHECK-NEXT: addi 3, 3, 42
; CHECK-NEXT: blr
%c = icmp sgt i32 %x, -1
%e = sext i1 %c to i32
%r = add i32 %e, 42
ret i32 %r
}
define i32 @sel_ifpos_fval_bigger(i32 %x) {
; CHECK-LABEL: sel_ifpos_fval_bigger:
; CHECK: # %bb.0:
; CHECK-NEXT: li 4, 42
; CHECK-NEXT: cmpwi 0, 3, -1
; CHECK-NEXT: li 3, 41
; CHECK-NEXT: isel 3, 3, 4, 1
; CHECK-NEXT: blr
%c = icmp sgt i32 %x, -1
%r = select i1 %c, i32 41, i32 42
ret i32 %r
}
; If negative...
define i32 @zext_ifneg(i32 %x) {
; CHECK-LABEL: zext_ifneg:
; CHECK: # %bb.0:
; CHECK-NEXT: srwi 3, 3, 31
; CHECK-NEXT: blr
%c = icmp slt i32 %x, 0
%r = zext i1 %c to i32
ret i32 %r
}
define i32 @add_zext_ifneg(i32 %x) {
; CHECK-LABEL: add_zext_ifneg:
; CHECK: # %bb.0:
; CHECK-NEXT: srwi 3, 3, 31
; CHECK-NEXT: addi 3, 3, 41
; CHECK-NEXT: blr
%c = icmp slt i32 %x, 0
%e = zext i1 %c to i32
%r = add i32 %e, 41
ret i32 %r
}
define i32 @sel_ifneg_tval_bigger(i32 %x) {
; CHECK-LABEL: sel_ifneg_tval_bigger:
; CHECK: # %bb.0:
; CHECK-NEXT: li 4, 41
; CHECK-NEXT: cmpwi 0, 3, 0
; CHECK-NEXT: li 3, 42
; CHECK-NEXT: isel 3, 3, 4, 0
; CHECK-NEXT: blr
%c = icmp slt i32 %x, 0
%r = select i1 %c, i32 42, i32 41
ret i32 %r
}
define i32 @sext_ifneg(i32 %x) {
; CHECK-LABEL: sext_ifneg:
; CHECK: # %bb.0:
; CHECK-NEXT: srawi 3, 3, 31
; CHECK-NEXT: blr
%c = icmp slt i32 %x, 0
%r = sext i1 %c to i32
ret i32 %r
}
define i32 @add_sext_ifneg(i32 %x) {
; CHECK-LABEL: add_sext_ifneg:
; CHECK: # %bb.0:
; CHECK-NEXT: srawi 3, 3, 31
; CHECK-NEXT: addi 3, 3, 42
; CHECK-NEXT: blr
%c = icmp slt i32 %x, 0
%e = sext i1 %c to i32
%r = add i32 %e, 42
ret i32 %r
}
define i32 @sel_ifneg_fval_bigger(i32 %x) {
; CHECK-LABEL: sel_ifneg_fval_bigger:
; CHECK: # %bb.0:
; CHECK-NEXT: li 4, 42
; CHECK-NEXT: cmpwi 0, 3, 0
; CHECK-NEXT: li 3, 41
; CHECK-NEXT: isel 3, 3, 4, 0
; CHECK-NEXT: blr
%c = icmp slt i32 %x, 0
%r = select i1 %c, i32 41, i32 42
ret i32 %r
}