From a97d36fddae5a06f12d8643756e4eee798765195 Mon Sep 17 00:00:00 2001
From: Sanjay Patel <spatel@rotateright.com>
Date: Fri, 31 Mar 2017 18:51:03 +0000
Subject: [PATCH] [PowerPC] add tests for setcc+setcc+logic; NFC

These are the same tests added for x86 with r299238,
but PPC doesn't specify all branches as cheap, so we
see different patterns in tests with branches.

llvm-svn: 299244
---
 llvm/test/CodeGen/PowerPC/setcc-logic.ll | 313 +++++++++++++++++++++++
 1 file changed, 313 insertions(+)
 create mode 100644 llvm/test/CodeGen/PowerPC/setcc-logic.ll

diff --git a/llvm/test/CodeGen/PowerPC/setcc-logic.ll b/llvm/test/CodeGen/PowerPC/setcc-logic.ll
new file mode 100644
index 000000000000..f7f2caa190a7
--- /dev/null
+++ b/llvm/test/CodeGen/PowerPC/setcc-logic.ll
@@ -0,0 +1,313 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -verify-machineinstrs -mtriple=powerpc64le-unknown-unknown | FileCheck %s
+
+define zeroext i1 @all_bits_clear(i32 %P, i32 %Q)  {
+; CHECK-LABEL: all_bits_clear:
+; CHECK:       # BB#0:
+; CHECK-NEXT:    or 3, 3, 4
+; CHECK-NEXT:    cntlzw 3, 3
+; CHECK-NEXT:    rlwinm 3, 3, 27, 31, 31
+; CHECK-NEXT:    blr
+  %a = icmp eq i32 %P, 0
+  %b = icmp eq i32 %Q, 0
+  %c = and i1 %a, %b
+  ret i1 %c
+}
+
+define zeroext i1 @all_sign_bits_clear(i32 %P, i32 %Q)  {
+; CHECK-LABEL: all_sign_bits_clear:
+; CHECK:       # BB#0:
+; CHECK-NEXT:    or 3, 3, 4
+; CHECK-NEXT:    nor 3, 3, 3
+; CHECK-NEXT:    srwi 3, 3, 31
+; CHECK-NEXT:    blr
+  %a = icmp sgt i32 %P, -1
+  %b = icmp sgt i32 %Q, -1
+  %c = and i1 %a, %b
+  ret i1 %c
+}
+
+define zeroext i1 @all_bits_set(i32 %P, i32 %Q)  {
+; CHECK-LABEL: all_bits_set:
+; CHECK:       # BB#0:
+; CHECK-NEXT:    and 3, 3, 4
+; CHECK-NEXT:    li 5, 0
+; CHECK-NEXT:    li 12, 1
+; CHECK-NEXT:    cmpwi 0, 3, -1
+; CHECK-NEXT:    isel 3, 12, 5, 2
+; CHECK-NEXT:    blr
+  %a = icmp eq i32 %P, -1
+  %b = icmp eq i32 %Q, -1
+  %c = and i1 %a, %b
+  ret i1 %c
+}
+
+define zeroext i1 @all_sign_bits_set(i32 %P, i32 %Q)  {
+; CHECK-LABEL: all_sign_bits_set:
+; CHECK:       # BB#0:
+; CHECK-NEXT:    cmpwi 0, 3, 0
+; CHECK-NEXT:    cmpwi 1, 4, 0
+; CHECK-NEXT:    li 3, 1
+; CHECK-NEXT:    crnand 20, 0, 4
+; CHECK-NEXT:    isel 3, 0, 3, 20
+; CHECK-NEXT:    blr
+  %a = icmp slt i32 %P, 0
+  %b = icmp slt i32 %Q, 0
+  %c = and i1 %a, %b
+  ret i1 %c
+}
+
+define zeroext i1 @any_bits_set(i32 %P, i32 %Q)  {
+; CHECK-LABEL: any_bits_set:
+; CHECK:       # BB#0:
+; CHECK-NEXT:    or 3, 3, 4
+; CHECK-NEXT:    cntlzw 3, 3
+; CHECK-NEXT:    nor 3, 3, 3
+; CHECK-NEXT:    rlwinm 3, 3, 27, 31, 31
+; CHECK-NEXT:    blr
+  %a = icmp ne i32 %P, 0
+  %b = icmp ne i32 %Q, 0
+  %c = or i1 %a, %b
+  ret i1 %c
+}
+
+define zeroext i1 @any_sign_bits_set(i32 %P, i32 %Q)  {
+; CHECK-LABEL: any_sign_bits_set:
+; CHECK:       # BB#0:
+; CHECK-NEXT:    or 3, 3, 4
+; CHECK-NEXT:    srwi 3, 3, 31
+; CHECK-NEXT:    blr
+  %a = icmp slt i32 %P, 0
+  %b = icmp slt i32 %Q, 0
+  %c = or i1 %a, %b
+  ret i1 %c
+}
+
+define zeroext i1 @any_bits_clear(i32 %P, i32 %Q)  {
+; CHECK-LABEL: any_bits_clear:
+; CHECK:       # BB#0:
+; CHECK-NEXT:    and 3, 3, 4
+; CHECK-NEXT:    li 5, 1
+; CHECK-NEXT:    cmpwi 0, 3, -1
+; CHECK-NEXT:    isel 3, 0, 5, 2
+; CHECK-NEXT:    blr
+  %a = icmp ne i32 %P, -1
+  %b = icmp ne i32 %Q, -1
+  %c = or i1 %a, %b
+  ret i1 %c
+}
+
+define zeroext i1 @any_sign_bits_clear(i32 %P, i32 %Q)  {
+; CHECK-LABEL: any_sign_bits_clear:
+; CHECK:       # BB#0:
+; CHECK-NEXT:    and 3, 3, 4
+; CHECK-NEXT:    nor 3, 3, 3
+; CHECK-NEXT:    srwi 3, 3, 31
+; CHECK-NEXT:    blr
+  %a = icmp sgt i32 %P, -1
+  %b = icmp sgt i32 %Q, -1
+  %c = or i1 %a, %b
+  ret i1 %c
+}
+
+; PR3351 - (P == 0) & (Q == 0) -> (P|Q) == 0
+define i32 @all_bits_clear_branch(i32* %P, i32* %Q)  {
+; CHECK-LABEL: all_bits_clear_branch:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    or. 3, 3, 4
+; CHECK-NEXT:    bne 0, .LBB8_2
+; CHECK-NEXT:  # BB#1: # %bb1
+; CHECK-NEXT:    li 3, 4
+; CHECK-NEXT:    blr
+; CHECK-NEXT:  .LBB8_2: # %return
+; CHECK-NEXT:    li 3, 192
+; CHECK-NEXT:    blr
+entry:
+  %a = icmp eq i32* %P, null
+  %b = icmp eq i32* %Q, null
+  %c = and i1 %a, %b
+  br i1 %c, label %bb1, label %return
+
+bb1:
+  ret i32 4
+
+return:
+  ret i32 192
+}
+
+define i32 @all_sign_bits_clear_branch(i32 %P, i32 %Q)  {
+; CHECK-LABEL: all_sign_bits_clear_branch:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    or 3, 3, 4
+; CHECK-NEXT:    cmpwi 0, 3, 0
+; CHECK-NEXT:    blt 0, .LBB9_2
+; CHECK-NEXT:  # BB#1: # %bb1
+; CHECK-NEXT:    li 3, 4
+; CHECK-NEXT:    blr
+; CHECK-NEXT:  .LBB9_2: # %return
+; CHECK-NEXT:    li 3, 192
+; CHECK-NEXT:    blr
+entry:
+  %a = icmp sgt i32 %P, -1
+  %b = icmp sgt i32 %Q, -1
+  %c = and i1 %a, %b
+  br i1 %c, label %bb1, label %return
+
+bb1:
+  ret i32 4
+
+return:
+  ret i32 192
+}
+
+define i32 @all_bits_set_branch(i32 %P, i32 %Q)  {
+; CHECK-LABEL: all_bits_set_branch:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    and 3, 3, 4
+; CHECK-NEXT:    cmpwi 0, 3, -1
+; CHECK-NEXT:    bne 0, .LBB10_2
+; CHECK-NEXT:  # BB#1: # %bb1
+; CHECK-NEXT:    li 3, 4
+; CHECK-NEXT:    blr
+; CHECK-NEXT:  .LBB10_2: # %return
+; CHECK-NEXT:    li 3, 192
+; CHECK-NEXT:    blr
+entry:
+  %a = icmp eq i32 %P, -1
+  %b = icmp eq i32 %Q, -1
+  %c = and i1 %a, %b
+  br i1 %c, label %bb1, label %return
+
+bb1:
+  ret i32 4
+
+return:
+  ret i32 192
+}
+
+define i32 @all_sign_bits_set_branch(i32 %P, i32 %Q)  {
+; CHECK-LABEL: all_sign_bits_set_branch:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    cmpwi 0, 3, 0
+; CHECK-NEXT:    cmpwi 1, 4, 0
+; CHECK-NEXT:    crand 20, 0, 4
+; CHECK-NEXT:    bc 4, 20, .LBB11_2
+; CHECK-NEXT:  # BB#1: # %bb1
+; CHECK-NEXT:    li 3, 4
+; CHECK-NEXT:    blr
+; CHECK-NEXT:  .LBB11_2: # %return
+; CHECK-NEXT:    li 3, 192
+; CHECK-NEXT:    blr
+entry:
+  %a = icmp slt i32 %P, 0
+  %b = icmp slt i32 %Q, 0
+  %c = and i1 %a, %b
+  br i1 %c, label %bb1, label %return
+
+bb1:
+  ret i32 4
+
+return:
+  ret i32 192
+}
+
+; PR3351 - (P != 0) | (Q != 0) -> (P|Q) != 0
+define i32 @any_bits_set_branch(i32* %P, i32* %Q)  {
+; CHECK-LABEL: any_bits_set_branch:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    or. 3, 3, 4
+; CHECK-NEXT:    beq 0, .LBB12_2
+; CHECK-NEXT:  # BB#1: # %bb1
+; CHECK-NEXT:    li 3, 4
+; CHECK-NEXT:    blr
+; CHECK-NEXT:  .LBB12_2: # %return
+; CHECK-NEXT:    li 3, 192
+; CHECK-NEXT:    blr
+entry:
+  %a = icmp ne i32* %P, null
+  %b = icmp ne i32* %Q, null
+  %c = or i1 %a, %b
+  br i1 %c, label %bb1, label %return
+
+bb1:
+  ret i32 4
+
+return:
+  ret i32 192
+}
+
+define i32 @any_sign_bits_set_branch(i32 %P, i32 %Q)  {
+; CHECK-LABEL: any_sign_bits_set_branch:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    or 3, 3, 4
+; CHECK-NEXT:    cmpwi 0, 3, -1
+; CHECK-NEXT:    bgt 0, .LBB13_2
+; CHECK-NEXT:  # BB#1: # %bb1
+; CHECK-NEXT:    li 3, 4
+; CHECK-NEXT:    blr
+; CHECK-NEXT:  .LBB13_2: # %return
+; CHECK-NEXT:    li 3, 192
+; CHECK-NEXT:    blr
+entry:
+  %a = icmp slt i32 %P, 0
+  %b = icmp slt i32 %Q, 0
+  %c = or i1 %a, %b
+  br i1 %c, label %bb1, label %return
+
+bb1:
+  ret i32 4
+
+return:
+  ret i32 192
+}
+
+define i32 @any_bits_clear_branch(i32 %P, i32 %Q)  {
+; CHECK-LABEL: any_bits_clear_branch:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    and 3, 3, 4
+; CHECK-NEXT:    cmpwi 0, 3, -1
+; CHECK-NEXT:    beq 0, .LBB14_2
+; CHECK-NEXT:  # BB#1: # %bb1
+; CHECK-NEXT:    li 3, 4
+; CHECK-NEXT:    blr
+; CHECK-NEXT:  .LBB14_2: # %return
+; CHECK-NEXT:    li 3, 192
+; CHECK-NEXT:    blr
+entry:
+  %a = icmp ne i32 %P, -1
+  %b = icmp ne i32 %Q, -1
+  %c = or i1 %a, %b
+  br i1 %c, label %bb1, label %return
+
+bb1:
+  ret i32 4
+
+return:
+  ret i32 192
+}
+
+define i32 @any_sign_bits_clear_branch(i32 %P, i32 %Q)  {
+; CHECK-LABEL: any_sign_bits_clear_branch:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    and 3, 3, 4
+; CHECK-NEXT:    cmpwi 0, 3, 0
+; CHECK-NEXT:    blt 0, .LBB15_2
+; CHECK-NEXT:  # BB#1: # %bb1
+; CHECK-NEXT:    li 3, 4
+; CHECK-NEXT:    blr
+; CHECK-NEXT:  .LBB15_2: # %return
+; CHECK-NEXT:    li 3, 192
+; CHECK-NEXT:    blr
+entry:
+  %a = icmp sgt i32 %P, -1
+  %b = icmp sgt i32 %Q, -1
+  %c = or i1 %a, %b
+  br i1 %c, label %bb1, label %return
+
+bb1:
+  ret i32 4
+
+return:
+  ret i32 192
+}
+