[NFC][AArch64] Autogenerate a few more tests

llvm/test/CodeGen/AArch64/check-sign-bit-before-extension.ll

@@ -1,4 +1,5 @@
-; RUN: llc -mtriple aarch64-gnu-linux -o -  -asm-verbose=0 %s | FileCheck %s
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=aarch64-gnu-linux -o - | FileCheck %s
 
 ; These tests make sure that the `cmp` instruction is rendered with an
 ; instruction that checks the sign bit of the original unextended data
@@ -9,9 +10,17 @@
 ; looking through a `sign_extend_inreg` and tests that determine the
 ; sign bit looking through a `sign_extend`.
 
-; CHECK-LABEL: f_i8_sign_extend_inreg:
-; CHECK: tbnz w0, #7, .LBB
 define i32 @f_i8_sign_extend_inreg(i8 %in, i32 %a, i32 %b) nounwind {
+; CHECK-LABEL: f_i8_sign_extend_inreg:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    and w8, w0, #0xff
+; CHECK-NEXT:    tbnz w0, #7, .LBB0_2
+; CHECK-NEXT:  // %bb.1: // %A
+; CHECK-NEXT:    add w0, w8, w1
+; CHECK-NEXT:    ret
+; CHECK-NEXT:  .LBB0_2: // %B
+; CHECK-NEXT:    add w0, w8, w2
+; CHECK-NEXT:    ret
 entry:
   %cmp = icmp sgt i8 %in, -1
   %ext = zext i8 %in to i32
@@ -26,9 +35,17 @@ B:
   ret i32 %retB
 }
 
-; CHECK-LABEL: f_i16_sign_extend_inreg:
-; CHECK: tbnz w0, #15, .LBB
 define i32 @f_i16_sign_extend_inreg(i16 %in, i32 %a, i32 %b) nounwind {
+; CHECK-LABEL: f_i16_sign_extend_inreg:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    and w8, w0, #0xffff
+; CHECK-NEXT:    tbnz w0, #15, .LBB1_2
+; CHECK-NEXT:  // %bb.1: // %A
+; CHECK-NEXT:    add w0, w8, w1
+; CHECK-NEXT:    ret
+; CHECK-NEXT:  .LBB1_2: // %B
+; CHECK-NEXT:    add w0, w8, w2
+; CHECK-NEXT:    ret
 entry:
   %cmp = icmp sgt i16 %in, -1
   %ext = zext i16 %in to i32
@@ -43,9 +60,17 @@ B:
   ret i32 %retB
 }
 
-; CHECK-LABEL: f_i32_sign_extend_inreg:
-; CHECK: tbnz w0, #31, .LBB
 define i64 @f_i32_sign_extend_inreg(i32 %in, i64 %a, i64 %b) nounwind {
+; CHECK-LABEL: f_i32_sign_extend_inreg:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov w8, w0
+; CHECK-NEXT:    tbnz w0, #31, .LBB2_2
+; CHECK-NEXT:  // %bb.1: // %A
+; CHECK-NEXT:    add x0, x8, x1
+; CHECK-NEXT:    ret
+; CHECK-NEXT:  .LBB2_2: // %B
+; CHECK-NEXT:    add x0, x8, x2
+; CHECK-NEXT:    ret
 entry:
   %cmp = icmp sgt i32 %in, -1
   %ext = zext i32 %in to i64
@@ -60,9 +85,17 @@ B:
   ret i64 %retB
 }
 
-; CHECK-LABEL: g_i8_sign_extend_inreg:
-; CHECK: tbnz w0, #7, .LBB
 define i32 @g_i8_sign_extend_inreg(i8 %in, i32 %a, i32 %b) nounwind {
+; CHECK-LABEL: g_i8_sign_extend_inreg:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    and w8, w0, #0xff
+; CHECK-NEXT:    tbnz w0, #7, .LBB3_2
+; CHECK-NEXT:  // %bb.1: // %B
+; CHECK-NEXT:    add w0, w8, w2
+; CHECK-NEXT:    ret
+; CHECK-NEXT:  .LBB3_2: // %A
+; CHECK-NEXT:    add w0, w8, w1
+; CHECK-NEXT:    ret
 entry:
   %cmp = icmp slt i8 %in, 0
   %ext = zext i8 %in to i32
@@ -77,9 +110,17 @@ B:
   ret i32 %retB
 }
 
-; CHECK-LABEL: g_i16_sign_extend_inreg:
-; CHECK: tbnz w0, #15, .LBB
 define i32 @g_i16_sign_extend_inreg(i16 %in, i32 %a, i32 %b) nounwind {
+; CHECK-LABEL: g_i16_sign_extend_inreg:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    and w8, w0, #0xffff
+; CHECK-NEXT:    tbnz w0, #15, .LBB4_2
+; CHECK-NEXT:  // %bb.1: // %B
+; CHECK-NEXT:    add w0, w8, w2
+; CHECK-NEXT:    ret
+; CHECK-NEXT:  .LBB4_2: // %A
+; CHECK-NEXT:    add w0, w8, w1
+; CHECK-NEXT:    ret
 entry:
   %cmp = icmp slt i16 %in, 0
   %ext = zext i16 %in to i32
@@ -94,9 +135,17 @@ B:
   ret i32 %retB
 }
 
-; CHECK-LABEL: g_i32_sign_extend_inreg:
-; CHECK: tbnz w0, #31, .LBB
 define i64 @g_i32_sign_extend_inreg(i32 %in, i64 %a, i64 %b) nounwind {
+; CHECK-LABEL: g_i32_sign_extend_inreg:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov w8, w0
+; CHECK-NEXT:    tbnz w0, #31, .LBB5_2
+; CHECK-NEXT:  // %bb.1: // %B
+; CHECK-NEXT:    add x0, x8, x2
+; CHECK-NEXT:    ret
+; CHECK-NEXT:  .LBB5_2: // %A
+; CHECK-NEXT:    add x0, x8, x1
+; CHECK-NEXT:    ret
 entry:
   %cmp = icmp slt i32 %in, 0
   %ext = zext i32 %in to i64
@@ -111,9 +160,17 @@ B:
   ret i64 %retB
 }
 
-; CHECK-LABEL: f_i32_sign_extend_i64:
-; CHECK: tbnz w0, #31, .LBB
 define i64 @f_i32_sign_extend_i64(i32 %in, i64 %a, i64 %b) nounwind {
+; CHECK-LABEL: f_i32_sign_extend_i64:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov w8, w0
+; CHECK-NEXT:    tbnz w0, #31, .LBB6_2
+; CHECK-NEXT:  // %bb.1: // %A
+; CHECK-NEXT:    add x0, x8, x1
+; CHECK-NEXT:    ret
+; CHECK-NEXT:  .LBB6_2: // %B
+; CHECK-NEXT:    add x0, x8, x2
+; CHECK-NEXT:    ret
 entry:
   %inext = sext i32 %in to i64
   %cmp = icmp sgt i64 %inext, -1
@@ -129,9 +186,17 @@ B:
   ret i64 %retB
 }
 
-; CHECK-LABEL: g_i32_sign_extend_i64:
-; CHECK: tbnz w0, #31, .LBB
 define i64 @g_i32_sign_extend_i64(i32 %in, i64 %a, i64 %b) nounwind {
+; CHECK-LABEL: g_i32_sign_extend_i64:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov w8, w0
+; CHECK-NEXT:    tbnz w0, #31, .LBB7_2
+; CHECK-NEXT:  // %bb.1: // %B
+; CHECK-NEXT:    add x0, x8, x2
+; CHECK-NEXT:    ret
+; CHECK-NEXT:  .LBB7_2: // %A
+; CHECK-NEXT:    add x0, x8, x1
+; CHECK-NEXT:    ret
 entry:
   %inext = sext i32 %in to i64
   %cmp = icmp slt i64 %inext, 0