Subzero: Align the stack at the point of function calls.

tests_lit/llvm2ice_tests/fp.pnacl.ll

Index: tests_lit/llvm2ice_tests/fp.pnacl.ll
diff --git a/tests_lit/llvm2ice_tests/fp.pnacl.ll b/tests_lit/llvm2ice_tests/fp.pnacl.ll
index a73db9288f6ca68076af71063982ff0e750b8a5e..7fcf55810064b5bc6cd8d4b4c171c83d7a0a07b4 100644
--- a/tests_lit/llvm2ice_tests/fp.pnacl.ll
+++ b/tests_lit/llvm2ice_tests/fp.pnacl.ll
@@ -45,11 +45,11 @@ entry:
   ret i32 %add3
 }
 ; CHECK-LABEL: passFpArgs
-; CHECK: push 123
+; CHECK: mov dword ptr [esp+4], 123
 ; CHECK: call ignoreFpArgsNoInline
-; CHECK: push 123
+; CHECK: mov dword ptr [esp+4], 123
 ; CHECK: call ignoreFpArgsNoInline
-; CHECK: push 123
+; CHECK: mov dword ptr [esp+4], 123
 ; CHECK: call ignoreFpArgsNoInline
 
 declare i32 @ignoreFpArgsNoInline(float, i32, double)
@@ -60,7 +60,7 @@ entry:
   ret i32 %call
 }
 ; CHECK-LABEL: passFpConstArg
-; CHECK: push 123
+; CHECK: mov dword ptr [esp+4], 123
 ; CHECK: call ignoreFpArgsNoInline
 
 define internal i32 @passFp32ConstArg(float %a) {
@@ -69,8 +69,8 @@ entry:
   ret i32 %call
 }
 ; CHECK-LABEL: passFp32ConstArg
-; CHECK: push dword
-; CHECK: push 123
+; CHECK: mov dword ptr [esp+4], 123
+; CHECK: movss dword ptr [esp+8]
 ; CHECK: call ignoreFp32ArgsNoInline
 
 declare i32 @ignoreFp32ArgsNoInline(float, i32, float)
@@ -415,8 +415,8 @@ entry:
   ret double %conv
 }
 ; CHECK-LABEL: unsigned64ToDouble
-; CHECK: push 2874
-; CHECK: push 1942892530
+; CHECK: mov dword ptr [esp+4], 2874
+; CHECK: mov dword ptr [esp], 1942892530
 ; CHECK: call cvtui64tod
 ; CHECK: fstp