llvm-for-llvmta/test/CodeGen/PowerPC/branch_coalesce.ll

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2022-04-25 10:02:23 +02:00
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=powerpc64le-unknown-linux-gnu -verify-machineinstrs -enable-ppc-branch-coalesce < %s | FileCheck %s
; RUN: llc -mcpu=pwr8 -mtriple=powerpc64-unknown-linux-gnu -verify-machineinstrs -enable-ppc-branch-coalesce < %s | FileCheck %s
; RUN: llc -mtriple=powerpc64le-unknown-linux-gnu -verify-machineinstrs < %s | FileCheck --check-prefix=CHECK-NOCOALESCE %s
; RUN: llc -mcpu=pwr8 -mtriple=powerpc64-unknown-linux-gnu -verify-machineinstrs < %s | FileCheck --check-prefix=CHECK-NOCOALESCE %s
; Function Attrs: nounwind
define double @testBranchCoal(double %a, double %b, double %c, i32 %x) {
; CHECK-LABEL: testBranchCoal:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: cmplwi 6, 0
; CHECK-NEXT: beq 0, .LBB0_2
; CHECK-NEXT: # %bb.1: # %entry
; CHECK-NEXT: addis 3, 2, .LCPI0_0@toc@ha
; CHECK-NEXT: addis 4, 2, .LCPI0_1@toc@ha
; CHECK-NEXT: xxlxor 2, 2, 2
; CHECK-NEXT: lfd 1, .LCPI0_0@toc@l(3)
; CHECK-NEXT: lfd 3, .LCPI0_1@toc@l(4)
; CHECK-NEXT: .LBB0_2: # %entry
; CHECK-NEXT: xsadddp 0, 1, 2
; CHECK-NEXT: xsadddp 1, 0, 3
; CHECK-NEXT: blr
;
; CHECK-NOCOALESCE-LABEL: testBranchCoal:
; CHECK-NOCOALESCE: # %bb.0: # %entry
; CHECK-NOCOALESCE-NEXT: cmplwi 6, 0
; CHECK-NOCOALESCE-NEXT: bne 0, .LBB0_5
; CHECK-NOCOALESCE-NEXT: # %bb.1: # %entry
; CHECK-NOCOALESCE-NEXT: bne 0, .LBB0_6
; CHECK-NOCOALESCE-NEXT: .LBB0_2: # %entry
; CHECK-NOCOALESCE-NEXT: beq 0, .LBB0_4
; CHECK-NOCOALESCE-NEXT: .LBB0_3: # %entry
; CHECK-NOCOALESCE-NEXT: addis 3, 2, .LCPI0_1@toc@ha
; CHECK-NOCOALESCE-NEXT: lfd 3, .LCPI0_1@toc@l(3)
; CHECK-NOCOALESCE-NEXT: .LBB0_4: # %entry
; CHECK-NOCOALESCE-NEXT: xsadddp 0, 1, 2
; CHECK-NOCOALESCE-NEXT: xsadddp 1, 0, 3
; CHECK-NOCOALESCE-NEXT: blr
; CHECK-NOCOALESCE-NEXT: .LBB0_5: # %entry
; CHECK-NOCOALESCE-NEXT: addis 3, 2, .LCPI0_0@toc@ha
; CHECK-NOCOALESCE-NEXT: lfd 1, .LCPI0_0@toc@l(3)
; CHECK-NOCOALESCE-NEXT: beq 0, .LBB0_2
; CHECK-NOCOALESCE-NEXT: .LBB0_6: # %entry
; CHECK-NOCOALESCE-NEXT: xxlxor 2, 2, 2
; CHECK-NOCOALESCE-NEXT: bne 0, .LBB0_3
; CHECK-NOCOALESCE-NEXT: b .LBB0_4
entry:
%test = icmp eq i32 %x, 0
%tmp1 = select i1 %test, double %a, double 2.000000e-03
%tmp2 = select i1 %test, double %b, double 0.000000e+00
%tmp3 = select i1 %test, double %c, double 5.000000e-03
%res1 = fadd double %tmp1, %tmp2
%result = fadd double %res1, %tmp3
ret double %result
}