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llvm-mirror/test/CodeGen/SystemZ/asm-15.ll
Ulrich Weigand 1431b3c2f5 [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.

llvm-svn: 181204
2013-05-06 16:17:29 +00:00

33 lines
739 B
LLVM

; Test the "M" constraint (0x7fffffff)
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
; Test 1 below the valid value.
define i32 @f1() {
; CHECK: f1:
; CHECK: iilf [[REG:%r[0-5]]], 2147483646
; CHECK: blah %r2 [[REG]]
; CHECK: br %r14
%val = call i32 asm "blah $0 $1", "=&r,rM" (i32 2147483646)
ret i32 %val
}
; Test the first valid value.
define i32 @f2() {
; CHECK: f2:
; CHECK: blah %r2 2147483647
; CHECK: br %r14
%val = call i32 asm "blah $0 $1", "=&r,rM" (i32 2147483647)
ret i32 %val
}
; Test 1 above the valid value.
define i32 @f3() {
; CHECK: f3:
; CHECK: llilh [[REG:%r[0-5]]], 32768
; CHECK: blah %r2 [[REG]]
; CHECK: br %r14
%val = call i32 asm "blah $0 $1", "=&r,rM" (i32 2147483648)
ret i32 %val
}