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llvm-mirror/test/CodeGen/SystemZ/branch-08.ll
Krzysztof Parzyszek dcadf45acb Update spelling of {analyze,insert,remove}Branch in strings and comments
These names have been changed from CamelCase to camelCase, but there were
many places (comments mostly) that still used the old names.

This change is NFC.
2020-01-21 10:15:38 -06:00

47 lines
949 B
LLVM

; Test SystemZInstrInfo::analyzeBranch and SystemZInstrInfo::insertBranch.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
declare void @foo() noreturn
; Check a case where a separate branch is needed and where the original
; order should be reversed.
define i32 @f1(i32 %a, i32 *%bptr) {
; CHECK-LABEL: f1:
; CHECK: cl %r2, 0(%r3)
; CHECK: jl .L[[LABEL:.*]]
; CHECK: br %r14
; CHECK: .L[[LABEL]]:
; CHECK: brasl %r14, foo@PLT
entry:
%b = load i32, i32 *%bptr
%cmp = icmp ult i32 %a, %b
br i1 %cmp, label %callit, label %return
callit:
call void @foo()
unreachable
return:
ret i32 1
}
; Same again with a fused compare and branch.
define i32 @f2(i32 %a) {
; CHECK-LABEL: f2:
; CHECK: cije %r2, 0, .L[[LABEL:.*]]
; CHECK: br %r14
; CHECK: .L[[LABEL]]:
; CHECK: brasl %r14, foo@PLT
entry:
%cmp = icmp eq i32 %a, 0
br i1 %cmp, label %callit, label %return
callit:
call void @foo()
unreachable
return:
ret i32 1
}