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gerrit-public.fairphone.software / toolchain / llvm-project / 9004444d815579e01c393553f598ffbe9da4564b / . / llvm / test / CodeGen / PowerPC / branch_coalesce.ll
blob: fcec348f18fa7f12c8c4fa3264fbe2a7eefd84ed [file] [log] [blame]
Lei Huang34e66212017-09-12 18:39:11 +0000[diff] [blame]1; RUN: llc -mtriple=powerpc64le-unknown-linux-gnu -verify-machineinstrs -enable-ppc-branch-coalesce < %s | FileCheck %s
2; RUN: llc -mcpu=pwr8 -mtriple=powerpc64-unknown-linux-gnu -verify-machineinstrs -enable-ppc-branch-coalesce < %s | FileCheck %s
3; RUN: llc -mtriple=powerpc64le-unknown-linux-gnu -verify-machineinstrs < %s | FileCheck --check-prefix=CHECK-NOCOALESCE %s
4; RUN: llc -mcpu=pwr8 -mtriple=powerpc64-unknown-linux-gnu -verify-machineinstrs < %s | FileCheck --check-prefix=CHECK-NOCOALESCE %s
Nemanja Ivanovicb223cfa2017-03-01 20:29:34 +0000[diff] [blame]5
6; Function Attrs: nounwind
7define double @testBranchCoal(double %a, double %b, double %c, i32 %x) {
Lei Huang34e66212017-09-12 18:39:11 +0000[diff] [blame]8
9; CHECK-LABEL: @testBranchCoal
10; CHECK: cmplwi [[CMPR:[0-7]+]], 6, 0
11; CHECK: beq [[CMPR]], .LBB[[LAB1:[0-9_]+]]
12; CHECK-DAG: addis [[LD1REG:[0-9]+]], 2, .LCPI0_0@toc@ha
13; CHECK-DAG: addis [[LD2REG:[0-9]+]], 2, .LCPI0_1@toc@ha
14; CHECK-DAG: xxlxor 2, 2, 2
15; CHECK-NOT: beq
QingShan Zhangf8f9af72018-08-20 02:52:55 +0000[diff] [blame]16; CHECK-DAG: lfd 1, .LCPI0_0@toc@l([[LD1REG]])
17; CHECK-DAG: lfd 3, .LCPI0_1@toc@l([[LD2REG]])
Lei Huang34e66212017-09-12 18:39:11 +0000[diff] [blame]18; CHECK: .LBB[[LAB1]]
19; CHECK: xsadddp 0, 1, 2
20; CHECK: xsadddp 1, 0, 3
21; CHECK: blr
22
23; CHECK-NOCOALESCE-LABEL: testBranchCoal:
Francis Visoiu Mistrih25528d62017-12-04 17:18:51 +0000[diff] [blame]24; CHECK-NOCOALESCE: # %bb.0: # %entry
Lei Huang34e66212017-09-12 18:39:11 +0000[diff] [blame]25; CHECK-NOCOALESCE-NEXT: cmplwi 0, 6, 0
26; CHECK-NOCOALESCE-NEXT: bne 0, .LBB0_5
Francis Visoiu Mistrih25528d62017-12-04 17:18:51 +0000[diff] [blame]27; CHECK-NOCOALESCE-NEXT: # %bb.1: # %entry
Lei Huang34e66212017-09-12 18:39:11 +0000[diff] [blame]28; CHECK-NOCOALESCE-NEXT: bne 0, .LBB0_6
29; CHECK-NOCOALESCE-NEXT: .LBB0_2: # %entry
30; CHECK-NOCOALESCE-NEXT: beq 0, .LBB0_4
31; CHECK-NOCOALESCE-NEXT: .LBB0_3: # %entry
32; CHECK-NOCOALESCE-NEXT: addis 3, 2, .LCPI0_1@toc@ha
QingShan Zhangf8f9af72018-08-20 02:52:55 +0000[diff] [blame]33; CHECK-NOCOALESCE-NEXT: lfd 3, .LCPI0_1@toc@l(3)
Lei Huang34e66212017-09-12 18:39:11 +0000[diff] [blame]34; CHECK-NOCOALESCE-NEXT: .LBB0_4: # %entry
35; CHECK-NOCOALESCE-NEXT: xsadddp 0, 1, 2
36; CHECK-NOCOALESCE-NEXT: xsadddp 1, 0, 3
37; CHECK-NOCOALESCE-NEXT: blr
38; CHECK-NOCOALESCE-NEXT: .LBB0_5: # %entry
39; CHECK-NOCOALESCE-NEXT: addis 3, 2, .LCPI0_0@toc@ha
QingShan Zhangf8f9af72018-08-20 02:52:55 +0000[diff] [blame]40; CHECK-NOCOALESCE-NEXT: lfd 1, .LCPI0_0@toc@l(3)
Lei Huang34e66212017-09-12 18:39:11 +0000[diff] [blame]41; CHECK-NOCOALESCE-NEXT: beq 0, .LBB0_2
42; CHECK-NOCOALESCE-NEXT: .LBB0_6: # %entry
43; CHECK-NOCOALESCE-NEXT: xxlxor 2, 2, 2
44; CHECK-NOCOALESCE-NEXT: bne 0, .LBB0_3
45; CHECK-NOCOALESCE-NEXT: b .LBB0_4
46 entry:
47
Nemanja Ivanovicb223cfa2017-03-01 20:29:34 +0000[diff] [blame]48 %test = icmp eq i32 %x, 0
49 %tmp1 = select i1 %test, double %a, double 2.000000e-03
50 %tmp2 = select i1 %test, double %b, double 0.000000e+00
51 %tmp3 = select i1 %test, double %c, double 5.000000e-03
52
53 %res1 = fadd double %tmp1, %tmp2
54 %result = fadd double %res1, %tmp3
55 ret double %result
Nemanja Ivanovicb223cfa2017-03-01 20:29:34 +0000[diff] [blame]56}