[mlir][arith] Trim trailing spaces in wide int emulation tests. NFC. (#133349)

Followup cleanup after llvm/llvm-project#132375
and llvm/llvm-project#133248

Author: kuhar

mlir/test/Integration/Dialect/Arith/CPU/test-wide-int-emulation-fptosi-i64.mlir

@@ -35,21 +35,20 @@ func.func @entry() {
 
   %cstpow20 = arith.constant 1048576.0 : f64
   %cstnpow20 = arith.constant -1048576.0 : f64
-  
+
   %cst_i32_max = arith.constant 4294967295.0 : f64
   %cst_i32_min = arith.constant -4294967296.0 : f64
   %cst_i32_overflow = arith.constant 4294967296.0 : f64
   %cst_i32_noverflow = arith.constant -4294967297.0 : f64
 
-
   %cstpow40 = arith.constant 1099511627776.0 : f64
   %cstnpow40 = arith.constant -1099511627776.0 : f64
   %cst_pow40ppow20 = arith.constant 1099512676352.0 : f64
   %cst_npow40ppow20 = arith.constant -1099512676352.0 : f64
 
   %cst_max = arith.constant 9007199254740992.0
   %cst_min = arith.constant -9007199254740992.0
-  
+
   // CHECK:         0
   func.call @check_fptosi(%cst0) : (f64) -> ()
   // CHECK-NEXT:    0

mlir/test/Integration/Dialect/Arith/CPU/test-wide-int-emulation-fptoui-i64.mlir

@@ -40,7 +40,7 @@ func.func @entry() {
   %cst_pow40ppow20 = arith.constant 1099512676352.0 : f64
 
   %cst_nzero = arith.constant 0x8000000000000000 : f64
-  
+
   // CHECK:         0
   func.call @check_fptoui(%cst0) : (f64) -> ()
   // CHECK-NEXT:    1

mlir/test/Integration/Dialect/Arith/CPU/test-wide-int-emulation-subi-i32.mlir

@@ -32,23 +32,23 @@ func.func @entry() {
   func.call @check_subi(%lhs1, %rhs1) : (i32, i32) -> ()
   // CHECK-NEXT:  1
   func.call @check_subi(%rhs1, %lhs1) : (i32, i32) -> ()
-  
+
   %lhs2 = arith.constant 1 : i32
   %rhs2 = arith.constant -2 : i32
 
   // CHECK-NEXT:  3
   func.call @check_subi(%lhs2, %rhs2) : (i32, i32) -> ()
   // CHECK-NEXT:  -3
   func.call @check_subi(%rhs2, %lhs2) : (i32, i32) -> ()
-  
+
   %lhs3 = arith.constant -1 : i32
   %rhs3 = arith.constant -2 : i32
 
   // CHECK-NEXT:  1
   func.call @check_subi(%lhs3, %rhs3) : (i32, i32) -> ()
   // CHECK-NEXT:  -1
   func.call @check_subi(%rhs3, %lhs3) : (i32, i32) -> ()
-  
+
   // Overflow from the upper/lower part.
   %lhs4 = arith.constant 131074 : i32
   %rhs4 = arith.constant 3 : i32
@@ -59,15 +59,15 @@ func.func @entry() {
   func.call @check_subi(%rhs4, %lhs4) : (i32, i32) -> ()
 
   // Overflow in both parts.
-  %lhs5 = arith.constant 16385027 : i32 
+  %lhs5 = arith.constant 16385027 : i32
   %rhs5 = arith.constant 16450564 : i32
 
   // CHECK-NEXT:  -65537
   func.call @check_subi(%lhs5, %rhs5) : (i32, i32) -> ()
   // CHECK-NEXT:  65537
   func.call @check_subi(%rhs5, %lhs5) : (i32, i32) -> ()
 
-  %lhs6 = arith.constant 65536 : i32 
+  %lhs6 = arith.constant 65536 : i32
   %rhs6 = arith.constant 1 : i32
 
   // CHECK-NEXT:  65535
@@ -76,7 +76,7 @@ func.func @entry() {
   func.call @check_subi(%rhs6, %lhs6) : (i32, i32) -> ()
 
   // Max/Min (un)signed integers.
-  %sintmax = arith.constant 2147483647 : i32 
+  %sintmax = arith.constant 2147483647 : i32
   %sintmin = arith.constant -2147483648 : i32
   %uintmax = arith.constant -1 : i32
   %uintmin = arith.constant 0 : i32
@@ -98,7 +98,6 @@ func.func @entry() {
   func.call @check_subi(%uintmin, %cst1) : (i32, i32) -> ()
   // CHECK-NEXT:  1
   func.call @check_subi(%uintmin, %uintmax) : (i32, i32) -> ()
-  
 
   return
 }