mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-09-10 06:54:54 +00:00
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
82 lines
1.7 KiB
LLVM
82 lines
1.7 KiB
LLVM
; Test 32-bit comparisons in which the second operand is zero-extended
|
|
; from a PC-relative i16.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
|
|
|
|
@g = global i16 1
|
|
|
|
; Check unsigned comparison.
|
|
define i32 @f1(i32 %src1) {
|
|
; CHECK: f1:
|
|
; CHECK: clhrl %r2, g
|
|
; CHECK-NEXT: j{{g?}}l
|
|
; CHECK: br %r14
|
|
entry:
|
|
%val = load i16 *@g
|
|
%src2 = zext i16 %val to i32
|
|
%cond = icmp ult i32 %src1, %src2
|
|
br i1 %cond, label %exit, label %mulb
|
|
mulb:
|
|
%mul = mul i32 %src1, %src1
|
|
br label %exit
|
|
exit:
|
|
%res = phi i32 [ %src1, %entry ], [ %mul, %mulb ]
|
|
ret i32 %res
|
|
}
|
|
|
|
; Check signed comparison.
|
|
define i32 @f2(i32 %src1) {
|
|
; CHECK: f2:
|
|
; CHECK-NOT: clhrl
|
|
; CHECK: br %r14
|
|
entry:
|
|
%val = load i16 *@g
|
|
%src2 = zext i16 %val to i32
|
|
%cond = icmp slt i32 %src1, %src2
|
|
br i1 %cond, label %exit, label %mulb
|
|
mulb:
|
|
%mul = mul i32 %src1, %src1
|
|
br label %exit
|
|
exit:
|
|
%res = phi i32 [ %src1, %entry ], [ %mul, %mulb ]
|
|
ret i32 %res
|
|
}
|
|
|
|
; Check equality.
|
|
define i32 @f3(i32 %src1) {
|
|
; CHECK: f3:
|
|
; CHECK: clhrl %r2, g
|
|
; CHECK-NEXT: j{{g?}}e
|
|
; CHECK: br %r14
|
|
entry:
|
|
%val = load i16 *@g
|
|
%src2 = zext i16 %val to i32
|
|
%cond = icmp eq i32 %src1, %src2
|
|
br i1 %cond, label %exit, label %mulb
|
|
mulb:
|
|
%mul = mul i32 %src1, %src1
|
|
br label %exit
|
|
exit:
|
|
%res = phi i32 [ %src1, %entry ], [ %mul, %mulb ]
|
|
ret i32 %res
|
|
}
|
|
|
|
; Check inequality.
|
|
define i32 @f4(i32 %src1) {
|
|
; CHECK: f4:
|
|
; CHECK: clhrl %r2, g
|
|
; CHECK-NEXT: j{{g?}}lh
|
|
; CHECK: br %r14
|
|
entry:
|
|
%val = load i16 *@g
|
|
%src2 = zext i16 %val to i32
|
|
%cond = icmp ne i32 %src1, %src2
|
|
br i1 %cond, label %exit, label %mulb
|
|
mulb:
|
|
%mul = mul i32 %src1, %src1
|
|
br label %exit
|
|
exit:
|
|
%res = phi i32 [ %src1, %entry ], [ %mul, %mulb ]
|
|
ret i32 %res
|
|
}
|