xref: /llvm-project/llvm/test/CodeGen/PowerPC/branch_coalesce.ll (revision b922a3621116b404d868af8b74cab25ab78555be)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=powerpc64le-unknown-linux-gnu -verify-machineinstrs -enable-ppc-branch-coalesce < %s | FileCheck %s
3; RUN: llc -mcpu=pwr8 -mtriple=powerpc64-unknown-linux-gnu -verify-machineinstrs -enable-ppc-branch-coalesce < %s | FileCheck %s
4; RUN: llc -mtriple=powerpc64le-unknown-linux-gnu -verify-machineinstrs < %s | FileCheck --check-prefix=CHECK-NOCOALESCE %s
5; RUN: llc -mcpu=pwr8 -mtriple=powerpc64-unknown-linux-gnu -verify-machineinstrs < %s | FileCheck --check-prefix=CHECK-NOCOALESCE %s
6
7; Function Attrs: nounwind
8define double @testBranchCoal(double %a, double %b, double %c, i32 %x) {
9; CHECK-LABEL: testBranchCoal:
10; CHECK:       # %bb.0: # %entry
11; CHECK-NEXT:    cmplwi 6, 0
12; CHECK-NEXT:    beq 0, .LBB0_2
13; CHECK-NEXT:  # %bb.1: # %entry
14; CHECK-NEXT:    addis 3, 2, .LCPI0_0@toc@ha
15; CHECK-NEXT:    xxlxor 2, 2, 2
16; CHECK-NEXT:    lfd 1, .LCPI0_0@toc@l(3)
17; CHECK-NEXT:    addis 3, 2, .LCPI0_1@toc@ha
18; CHECK-NEXT:    lfd 3, .LCPI0_1@toc@l(3)
19; CHECK-NEXT:  .LBB0_2: # %entry
20; CHECK-NEXT:    xsadddp 0, 1, 2
21; CHECK-NEXT:    xsadddp 1, 0, 3
22; CHECK-NEXT:    blr
23;
24; CHECK-NOCOALESCE-LABEL: testBranchCoal:
25; CHECK-NOCOALESCE:       # %bb.0: # %entry
26; CHECK-NOCOALESCE-NEXT:    cmplwi 6, 0
27; CHECK-NOCOALESCE-NEXT:    bne 0, .LBB0_5
28; CHECK-NOCOALESCE-NEXT:  # %bb.1: # %entry
29; CHECK-NOCOALESCE-NEXT:    bne 0, .LBB0_6
30; CHECK-NOCOALESCE-NEXT:  .LBB0_2: # %entry
31; CHECK-NOCOALESCE-NEXT:    beq 0, .LBB0_4
32; CHECK-NOCOALESCE-NEXT:  .LBB0_3: # %entry
33; CHECK-NOCOALESCE-NEXT:    addis 3, 2, .LCPI0_1@toc@ha
34; CHECK-NOCOALESCE-NEXT:    lfd 3, .LCPI0_1@toc@l(3)
35; CHECK-NOCOALESCE-NEXT:  .LBB0_4: # %entry
36; CHECK-NOCOALESCE-NEXT:    xsadddp 0, 1, 2
37; CHECK-NOCOALESCE-NEXT:    xsadddp 1, 0, 3
38; CHECK-NOCOALESCE-NEXT:    blr
39; CHECK-NOCOALESCE-NEXT:  .LBB0_5: # %entry
40; CHECK-NOCOALESCE-NEXT:    addis 3, 2, .LCPI0_0@toc@ha
41; CHECK-NOCOALESCE-NEXT:    lfd 1, .LCPI0_0@toc@l(3)
42; CHECK-NOCOALESCE-NEXT:    beq 0, .LBB0_2
43; CHECK-NOCOALESCE-NEXT:  .LBB0_6: # %entry
44; CHECK-NOCOALESCE-NEXT:    xxlxor 2, 2, 2
45; CHECK-NOCOALESCE-NEXT:    bne 0, .LBB0_3
46; CHECK-NOCOALESCE-NEXT:    b .LBB0_4
47
48  entry:
49
50  %test = icmp eq i32 %x, 0
51  %tmp1 = select i1 %test, double %a, double 2.000000e-03
52  %tmp2 = select i1 %test, double %b, double 0.000000e+00
53  %tmp3 = select i1 %test, double %c, double 5.000000e-03
54
55  %res1 = fadd double %tmp1, %tmp2
56  %result = fadd double %res1, %tmp3
57  ret double %result
58}
59