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gerrit-public.fairphone.software / toolchain / llvm-project / f8b51c5f90c60aceedef9ed185eeac58f501075a / . / llvm / test / CodeGen / PowerPC / branch_coalesce.ll
blob: a57dec111bca9ab68e470ced8308f70f1e1f4f16 [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
16; CHECK-DAG: addi [[LD1BASE:[0-9]+]], [[LD1REG]]
17; CHECK-DAG: addi [[LD2BASE:[0-9]+]], [[LD2REG]]
18; CHECK-DAG: lxsdx 1, 0, [[LD1BASE]]
19; CHECK-DAG: lxsdx 3, 0, [[LD2BASE]]
20; CHECK: .LBB[[LAB1]]
21; CHECK: xsadddp 0, 1, 2
22; CHECK: xsadddp 1, 0, 3
23; CHECK: blr
24
25; CHECK-NOCOALESCE-LABEL: testBranchCoal:
Francis Visoiu Mistrih25528d62017-12-04 17:18:51 +0000[diff] [blame]26; CHECK-NOCOALESCE: # %bb.0: # %entry
Lei Huang34e66212017-09-12 18:39:11 +0000[diff] [blame]27; CHECK-NOCOALESCE-NEXT: cmplwi 0, 6, 0
28; CHECK-NOCOALESCE-NEXT: bne 0, .LBB0_5
Francis Visoiu Mistrih25528d62017-12-04 17:18:51 +0000[diff] [blame]29; CHECK-NOCOALESCE-NEXT: # %bb.1: # %entry
Lei Huang34e66212017-09-12 18:39:11 +0000[diff] [blame]30; CHECK-NOCOALESCE-NEXT: bne 0, .LBB0_6
31; CHECK-NOCOALESCE-NEXT: .LBB0_2: # %entry
32; CHECK-NOCOALESCE-NEXT: beq 0, .LBB0_4
33; CHECK-NOCOALESCE-NEXT: .LBB0_3: # %entry
34; CHECK-NOCOALESCE-NEXT: addis 3, 2, .LCPI0_1@toc@ha
35; CHECK-NOCOALESCE-NEXT: addi 3, 3, .LCPI0_1@toc@l
36; CHECK-NOCOALESCE-NEXT: lxsdx 3, 0, 3
37; CHECK-NOCOALESCE-NEXT: .LBB0_4: # %entry
38; CHECK-NOCOALESCE-NEXT: xsadddp 0, 1, 2
39; CHECK-NOCOALESCE-NEXT: xsadddp 1, 0, 3
40; CHECK-NOCOALESCE-NEXT: blr
41; CHECK-NOCOALESCE-NEXT: .LBB0_5: # %entry
42; CHECK-NOCOALESCE-NEXT: addis 3, 2, .LCPI0_0@toc@ha
43; CHECK-NOCOALESCE-NEXT: addi 3, 3, .LCPI0_0@toc@l
44; CHECK-NOCOALESCE-NEXT: lxsdx 1, 0, 3
45; CHECK-NOCOALESCE-NEXT: beq 0, .LBB0_2
46; CHECK-NOCOALESCE-NEXT: .LBB0_6: # %entry
47; CHECK-NOCOALESCE-NEXT: xxlxor 2, 2, 2
48; CHECK-NOCOALESCE-NEXT: bne 0, .LBB0_3
49; CHECK-NOCOALESCE-NEXT: b .LBB0_4
50 entry:
51
Nemanja Ivanovicb223cfa2017-03-01 20:29:34 +0000[diff] [blame]52 %test = icmp eq i32 %x, 0
53 %tmp1 = select i1 %test, double %a, double 2.000000e-03
54 %tmp2 = select i1 %test, double %b, double 0.000000e+00
55 %tmp3 = select i1 %test, double %c, double 5.000000e-03
56
57 %res1 = fadd double %tmp1, %tmp2
58 %result = fadd double %res1, %tmp3
59 ret double %result
Nemanja Ivanovicb223cfa2017-03-01 20:29:34 +0000[diff] [blame]60}