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TheRock/compiler/amd-llvm/llvm/test/CodeGen/SystemZ/codegenprepare-sink-and-for-tm.ll
derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

43 lines
1.1 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
;
; CGP will duplicate and sink the 'icmp' to the users. Test that it does the
; same for the 'and' so that tmll:s result and the nilf is eliminated.
define void @fun(i32 %Arg) {
; CHECK-LABEL: fun:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: ahi %r2, 1
; CHECK-NEXT: lhi %r0, 0
; CHECK-NEXT: cijlh %r0, 0, .LBB0_2
; CHECK-NEXT: # %bb.1: # %bb1
; CHECK-NEXT: tmll %r2, 16
; CHECK-NEXT: lochie %r0, 1
; CHECK-NEXT: st %r0, 0(%r1)
; CHECK-NEXT: br %r14
; CHECK-NEXT: .LBB0_2: # %bb2
; CHECK-NEXT: tmll %r2, 16
; CHECK-NEXT: lhi %r0, 16
; CHECK-NEXT: lochie %r0, 4
; CHECK-NEXT: st %r0, 0(%r1)
; CHECK-NEXT: br %r14
entry:
%A = add i32 %Arg, 1
%N = and i32 %A, 16
%i4 = icmp eq i32 %N, 0
br i1 undef, label %bb1, label %bb2
bb1:
%i9 = zext i1 %i4 to i32
store i32 %i9, ptr undef
br label %bb3
bb2:
%i13 = select i1 %i4, i32 4, i32 16
store i32 %i13, ptr undef
br label %bb3
bb3:
ret void
}