llvm-6502/test/CodeGen/SystemZ/branch-02.ll
Ulrich Weigand b503b49b51 [SystemZ] Add CodeGen test cases
This adds all CodeGen tests for the SystemZ target.

This version of the patch incorporates feedback from a review by
Sean Silva.  Thanks to all reviewers!

Patch by Richard Sandiford.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181204 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-06 16:17:29 +00:00

95 lines
2.0 KiB
LLVM

; Test all condition-code masks that are relevant for signed integer
; comparisons.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
define void @f1(i32 *%src, i32 %target) {
; CHECK: f1:
; CHECK: .cfi_startproc
; CHECK: .L[[LABEL:.*]]:
; CHECK: c %r3, 0(%r2)
; CHECK-NEXT: j{{g?}}e .L[[LABEL]]
br label %loop
loop:
%val = load volatile i32 *%src
%cond = icmp eq i32 %target, %val
br i1 %cond, label %loop, label %exit
exit:
ret void
}
define void @f2(i32 *%src, i32 %target) {
; CHECK: f2:
; CHECK: .cfi_startproc
; CHECK: .L[[LABEL:.*]]:
; CHECK: c %r3, 0(%r2)
; CHECK-NEXT: j{{g?}}lh .L[[LABEL]]
br label %loop
loop:
%val = load volatile i32 *%src
%cond = icmp ne i32 %target, %val
br i1 %cond, label %loop, label %exit
exit:
ret void
}
define void @f3(i32 *%src, i32 %target) {
; CHECK: f3:
; CHECK: .cfi_startproc
; CHECK: .L[[LABEL:.*]]:
; CHECK: c %r3, 0(%r2)
; CHECK-NEXT: j{{g?}}le .L[[LABEL]]
br label %loop
loop:
%val = load volatile i32 *%src
%cond = icmp sle i32 %target, %val
br i1 %cond, label %loop, label %exit
exit:
ret void
}
define void @f4(i32 *%src, i32 %target) {
; CHECK: f4:
; CHECK: .cfi_startproc
; CHECK: .L[[LABEL:.*]]:
; CHECK: c %r3, 0(%r2)
; CHECK-NEXT: j{{g?}}l .L[[LABEL]]
br label %loop
loop:
%val = load volatile i32 *%src
%cond = icmp slt i32 %target, %val
br i1 %cond, label %loop, label %exit
exit:
ret void
}
define void @f5(i32 *%src, i32 %target) {
; CHECK: f5:
; CHECK: .cfi_startproc
; CHECK: .L[[LABEL:.*]]:
; CHECK: c %r3, 0(%r2)
; CHECK-NEXT: j{{g?}}h .L[[LABEL]]
br label %loop
loop:
%val = load volatile i32 *%src
%cond = icmp sgt i32 %target, %val
br i1 %cond, label %loop, label %exit
exit:
ret void
}
define void @f6(i32 *%src, i32 %target) {
; CHECK: f6:
; CHECK: .cfi_startproc
; CHECK: .L[[LABEL:.*]]:
; CHECK: c %r3, 0(%r2)
; CHECK-NEXT: j{{g?}}he .L[[LABEL]]
br label %loop
loop:
%val = load volatile i32 *%src
%cond = icmp sge i32 %target, %val
br i1 %cond, label %loop, label %exit
exit:
ret void
}