[SPARC] Revamp AnalyzeBranch and add ReverseBranchCondition.

[oota-llvm.git] / test / CodeGen / SPARC / 2011-01-19-DelaySlot.ll

diff --git a/test/CodeGen/SPARC/2011-01-19-DelaySlot.ll b/test/CodeGen/SPARC/2011-01-19-DelaySlot.ll
index bc27e987a179fd46bab21b3b71b9f7230e9e892e..b38c955e1f63cbb82ce4e84de668477754b842b0 100644 (file)
--- a/test/CodeGen/SPARC/2011-01-19-DelaySlot.ll
+++ b/test/CodeGen/SPARC/2011-01-19-DelaySlot.ll
@@ -1,6 +1,7 @@
-;RUN: llc -march=sparc < %s | FileCheck %s
-;RUN: llc -march=sparc -O0 < %s | FileCheck %s -check-prefix=UNOPT
+;RUN: llc -march=sparc < %s -verify-machineinstrs | FileCheck %s
+;RUN: llc -march=sparc -O0 < %s -verify-machineinstrs | FileCheck %s -check-prefix=UNOPT
 
+target triple = "sparc-unknown-linux-gnu"
 
 define i32 @test(i32 %a) nounwind {
 entry:
@@ -40,32 +41,32 @@ bb:                                               ; preds = %entry, %bb
   %a_addr.0 = add i32 %.pn, %a_addr.18
   %3 = add nsw i32 %1, 1
   %exitcond = icmp eq i32 %3, %b
-;CHECK:      subcc
+;CHECK:      cmp
 ;CHECK:      bne
 ;CHECK-NOT:  nop
   br i1 %exitcond, label %bb5, label %bb
 
 bb5:                                              ; preds = %bb, %entry
   %a_addr.1.lcssa = phi i32 [ %a, %entry ], [ %a_addr.0, %bb ]
-;CHECK:      ret
-;CHECK-NEXT: restore
+;CHECK:      retl
+;CHECK-NOT: restore
   ret i32 %a_addr.1.lcssa
 }
 
 define i32 @test_inlineasm(i32 %a) nounwind {
 entry:
-;CHECK:      test_inlineasm
+;CHECK-LABEL:      test_inlineasm:
 ;CHECK:      sethi
 ;CHECK:      !NO_APP
-;CHECK-NEXT: subcc
-;CHECK-NEXT: bg
-;CHECK-NEXT: nop
+;CHECK-NEXT: cmp
+;CHECK-NEXT: ble
+;CHECK-NEXT: mov
   tail call void asm sideeffect "sethi 0, %g0", ""() nounwind
   %0 = icmp slt i32 %a, 0
   br i1 %0, label %bb, label %bb1
 
 bb:                                               ; preds = %entry
-  %1 = tail call i32 (...)* @foo(i32 %a) nounwind
+  %1 = tail call i32 (...) @foo(i32 %a) nounwind
   ret i32 %1
 
 bb1:                                              ; preds = %entry
@@ -80,11 +81,106 @@ declare i32 @bar(i32)
 
 define i32 @test_implicit_def() nounwind {
 entry:
-;UNOPT:       test_implicit_def
+;UNOPT-LABEL:       test_implicit_def:
 ;UNOPT:       call func
 ;UNOPT-NEXT:  nop
   %0 = tail call i32 @func(i32* undef) nounwind
   ret i32 0
 }
 
+define i32 @prevent_o7_in_call_delay_slot(i32 %i0) {
+entry:
+;CHECK-LABEL:       prevent_o7_in_call_delay_slot:
+;CHECK:       add %i0, 2, %o5
+;CHECK:       add %i0, 3, %o7
+;CHECK:       add %o5, %o7, %o0
+;CHECK:       call bar
+;CHECK-NEXT:  nop
+  %0 = add nsw i32 %i0, 2
+  %1 = add nsw i32 %i0, 3
+  tail call void asm sideeffect "", "r,r,~{l0},~{l1},~{l2},~{l3},~{l4},~{l5},~{l6},~{l7},~{i0},~{i1},~{i2},~{i3},~{i4},~{i5},~{i6},~{i7},~{o0},~{o1},~{o2},~{o3},~{o4},~{o6},~{g1},~{g2},~{g3},~{g4},~{g5},~{g6},~{g7}"(i32 %0, i32 %1)
+  %2 = add nsw i32 %0, %1
+  %3 = tail call i32 @bar(i32 %2)
+  ret i32 %3
+}
+
+
 declare i32 @func(i32*)
+
+
+define i32 @restore_add(i32 %a, i32 %b) {
+entry:
+;CHECK-LABEL:  restore_add:
+;CHECK:  ret
+;CHECK:  restore %o0, %i1, %o0
+  %0 = tail call i32 @bar(i32 %a) nounwind
+  %1 = add nsw i32 %0, %b
+  ret i32 %1
+}
+
+define i32 @restore_add_imm(i32 %a) {
+entry:
+;CHECK-LABEL:  restore_add_imm:
+;CHECK:  ret
+;CHECK:  restore %o0, 20, %o0
+  %0 = tail call i32 @bar(i32 %a) nounwind
+  %1 = add nsw i32 %0, 20
+  ret i32 %1
+}
+
+define i32 @restore_or(i32 %a) {
+entry:
+;CHECK-LABEL:  restore_or:
+;CHECK:  ret
+;CHECK:  restore %g0, %o0, %o0
+  %0 = tail call i32 @bar(i32 %a) nounwind
+  ret i32 %0
+}
+
+define i32 @restore_or_imm(i32 %a) {
+entry:
+;CHECK-LABEL:  restore_or_imm:
+;CHECK:  or %o0, 20, %i0
+;CHECK:  ret
+;CHECK-NOT:  restore %g0, %g0, %g0
+;CHECK:  restore
+  %0 = tail call i32 @bar(i32 %a) nounwind
+  %1 = or i32 %0, 20
+  ret i32 %1
+}
+
+
+define i32 @restore_sethi(i32 %a) {
+entry:
+;CHECK-LABEL: restore_sethi:
+;CHECK-NOT: sethi  3
+;CHECK: restore %g0, 3072, %o0
+  %0 = tail call i32 @bar(i32 %a) nounwind
+  %1 = icmp ne i32 %0, 0
+  %2 = select i1 %1, i32 3072, i32 0
+  ret i32 %2
+}
+
+define i32 @restore_sethi_3bit(i32 %a) {
+entry:
+;CHECK-LABEL: restore_sethi_3bit:
+;CHECK: sethi  6
+;CHECK-NOT: restore %g0, 6144, %o0
+  %0 = tail call i32 @bar(i32 %a) nounwind
+  %1 = icmp ne i32 %0, 0
+  %2 = select i1 %1, i32 6144, i32 0
+  ret i32 %2
+}
+
+define i32 @restore_sethi_large(i32 %a) {
+entry:
+;CHECK-LABEL: restore_sethi_large:
+;CHECK: sethi  4000, %i0
+;CHECK-NOT: restore %g0, %g0, %g0
+;CHECK:     restore
+  %0 = tail call i32 @bar(i32 %a) nounwind
+  %1 = icmp ne i32 %0, 0
+  %2 = select i1 %1, i32 4096000, i32 0
+  ret i32 %2
+}
+