ARMLoadStoreOptimizer: Create LDRD/STRD on thumb2

[oota-llvm.git] / test / CodeGen / ARM / 2012-10-04-AAPCS-byval-align8.ll

diff --git a/test/CodeGen/ARM/2012-10-04-AAPCS-byval-align8.ll b/test/CodeGen/ARM/2012-10-04-AAPCS-byval-align8.ll
index b5f6d311cb9cf92c6589510075282099256477a1..4a1341c4d6e7106bce7c559cd40a29984892e1ec 100644 (file)
--- a/test/CodeGen/ARM/2012-10-04-AAPCS-byval-align8.ll
+++ b/test/CodeGen/ARM/2012-10-04-AAPCS-byval-align8.ll
@@ -7,10 +7,12 @@
 declare void @llvm.va_start(i8*) nounwind
 declare void @llvm.va_end(i8*) nounwind
 
-; CHECK: test_byval_8_bytes_alignment:
+; CHECK-LABEL: test_byval_8_bytes_alignment:
 define void @test_byval_8_bytes_alignment(i32 %i, ...) {
 entry:
-; CHECK: stm     r0, {r1, r2, r3}
+; CHECK: sub       sp, sp, #12
+; CHECK: sub       sp, sp, #4
+; CHECK: stmib     sp, {r1, r2, r3}
   %g = alloca i8*
   %g1 = bitcast i8** %g to i8*
   call void @llvm.va_start(i8* %g1)
@@ -19,38 +21,45 @@ entry:
 ; CHECK: bfc   [[REG]], #0, #3
   %0 = va_arg i8** %g, double
   call void @llvm.va_end(i8* %g1)
-  
+
   ret void
 }
 
-; CHECK: main:
-; CHECK: ldm     r0, {r2, r3}
+; CHECK-LABEL: main:
+; CHECK: movw [[BASE:r[0-9]+]], :lower16:static_val
+; CHECK: movt [[BASE]], :upper16:static_val
+; ldm is not formed when the coalescer failed to coalesce everything.
+; CHECK: ldrd    r2, [[TMP:r[0-9]+]], {{\[}}[[BASE]]{{\]}}
+; CHECK: movw r0, #555
 define i32 @main() {
 entry:
-  call void (i32, ...)* @test_byval_8_bytes_alignment(i32 555, %struct_t* byval @static_val)
+  call void (i32, ...) @test_byval_8_bytes_alignment(i32 555, %struct_t* byval @static_val)
   ret i32 0
 }
 
 declare void @f(double);
 
-; CHECK:     test_byval_8_bytes_alignment_fixed_arg:
+; CHECK-LABEL:     test_byval_8_bytes_alignment_fixed_arg:
 ; CHECK-NOT:   str     r1
 ; CHECK:       str     r3, [sp, #12]
 ; CHECK:       str     r2, [sp, #8]
 ; CHECK-NOT:   str     r1
 define void @test_byval_8_bytes_alignment_fixed_arg(i32 %n1, %struct_t* byval %val) nounwind {
 entry:
-  %a = getelementptr inbounds %struct_t* %val, i32 0, i32 0
-  %0 = load double* %a
-  call void (double)* @f(double %0)
+  %a = getelementptr inbounds %struct_t, %struct_t* %val, i32 0, i32 0
+  %0 = load double, double* %a
+  call void (double) @f(double %0)
   ret void
 }
 
-; CHECK: main_fixed_arg:
-; CHECK: ldm     r0, {r2, r3}
+; CHECK-LABEL: main_fixed_arg:
+; CHECK: movw [[BASE:r[0-9]+]], :lower16:static_val
+; CHECK: movt [[BASE]], :upper16:static_val
+; ldm is not formed when the coalescer failed to coalesce everything.
+; CHECK: ldrd     r2, [[TMP:r[0-9]+]], {{\[}}[[BASE]]{{\]}}
+; CHECK: movw r0, #555
 define i32 @main_fixed_arg() {
 entry:
-  call void (i32, %struct_t*)* @test_byval_8_bytes_alignment_fixed_arg(i32 555, %struct_t* byval @static_val)
+  call void (i32, %struct_t*) @test_byval_8_bytes_alignment_fixed_arg(i32 555, %struct_t* byval @static_val)
   ret i32 0
 }
-