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[SystemZ] Add CodeGen test cases

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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
This commit is contained in:
Ulrich Weigand
2013-05-06 16:17:29 +00:00
parent 1d09d56fe1
commit b503b49b51
296 changed files with 31125 additions and 0 deletions
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91
test/CodeGen/SystemZ/frame-18.ll Normal file
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@@ -0,0 +1,91 @@
; Test spilling of GPRs.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
; We need to allocate a 4-byte spill slot, rounded to 8 bytes. The frame
; size should be exactly 160 + 8 = 168.
define void @f1(i32 *%ptr) {
; CHECK: f1:
; CHECK: stmg %r6, %r15, 48(%r15)
; CHECK: aghi %r15, -168
; CHECK-NOT: 160(%r15)
; CHECK: st [[REGISTER:%r[0-9]+]], 164(%r15)
; CHECK-NOT: 160(%r15)
; CHECK: l [[REGISTER]], 164(%r15)
; CHECK-NOT: 160(%r15)
; CHECK: lmg %r6, %r15, 216(%r15)
; CHECK: br %r14
%l0 = load volatile i32 *%ptr
%l1 = load volatile i32 *%ptr
%l3 = load volatile i32 *%ptr
%l4 = load volatile i32 *%ptr
%l5 = load volatile i32 *%ptr
%l6 = load volatile i32 *%ptr
%l7 = load volatile i32 *%ptr
%l8 = load volatile i32 *%ptr
%l9 = load volatile i32 *%ptr
%l10 = load volatile i32 *%ptr
%l11 = load volatile i32 *%ptr
%l12 = load volatile i32 *%ptr
%l13 = load volatile i32 *%ptr
%l14 = load volatile i32 *%ptr
%lx = load volatile i32 *%ptr
store volatile i32 %lx, i32 *%ptr
store volatile i32 %l14, i32 *%ptr
store volatile i32 %l13, i32 *%ptr
store volatile i32 %l12, i32 *%ptr
store volatile i32 %l11, i32 *%ptr
store volatile i32 %l10, i32 *%ptr
store volatile i32 %l9, i32 *%ptr
store volatile i32 %l8, i32 *%ptr
store volatile i32 %l7, i32 *%ptr
store volatile i32 %l6, i32 *%ptr
store volatile i32 %l5, i32 *%ptr
store volatile i32 %l4, i32 *%ptr
store volatile i32 %l3, i32 *%ptr
store volatile i32 %l1, i32 *%ptr
store volatile i32 %l0, i32 *%ptr
ret void
}
; Same for i64, except that the full spill slot is used.
define void @f2(i64 *%ptr) {
; CHECK: f2:
; CHECK: stmg %r6, %r15, 48(%r15)
; CHECK: aghi %r15, -168
; CHECK: stg [[REGISTER:%r[0-9]+]], 160(%r15)
; CHECK: lg [[REGISTER]], 160(%r15)
; CHECK: lmg %r6, %r15, 216(%r15)
; CHECK: br %r14
%l0 = load volatile i64 *%ptr
%l1 = load volatile i64 *%ptr
%l3 = load volatile i64 *%ptr
%l4 = load volatile i64 *%ptr
%l5 = load volatile i64 *%ptr
%l6 = load volatile i64 *%ptr
%l7 = load volatile i64 *%ptr
%l8 = load volatile i64 *%ptr
%l9 = load volatile i64 *%ptr
%l10 = load volatile i64 *%ptr
%l11 = load volatile i64 *%ptr
%l12 = load volatile i64 *%ptr
%l13 = load volatile i64 *%ptr
%l14 = load volatile i64 *%ptr
%lx = load volatile i64 *%ptr
store volatile i64 %lx, i64 *%ptr
store volatile i64 %l14, i64 *%ptr
store volatile i64 %l13, i64 *%ptr
store volatile i64 %l12, i64 *%ptr
store volatile i64 %l11, i64 *%ptr
store volatile i64 %l10, i64 *%ptr
store volatile i64 %l9, i64 *%ptr
store volatile i64 %l8, i64 *%ptr
store volatile i64 %l7, i64 *%ptr
store volatile i64 %l6, i64 *%ptr
store volatile i64 %l5, i64 *%ptr
store volatile i64 %l4, i64 *%ptr
store volatile i64 %l3, i64 *%ptr
store volatile i64 %l1, i64 *%ptr
store volatile i64 %l0, i64 *%ptr
ret void
}