[nfc][msan] Regenerate tests missing FileCheck (#115794)

Extracted and updated from #115018

Co-authored-by: Kamil Kashapov <kashapov@ispras.ru>

llvm/test/Instrumentation/MemorySanitizer/LoongArch/vararg.ll

@@ -1,10 +1,40 @@
-; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck %s
 ; Test that code using va_start can be compiled on LoongArch.
 
 target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n64-S128"
 target triple = "loongarch64-unknown-linux-gnu"
 
 define void @VaStart(ptr %s, ...) {
+; CHECK-LABEL: define void @VaStart(
+; CHECK-SAME: ptr [[S:%.*]], ...) {
+; CHECK-NEXT:  [[ENTRY:.*:]]
+; CHECK-NEXT:    [[TMP0:%.*]] = load i64, ptr @__msan_va_arg_overflow_size_tls, align 8
+; CHECK-NEXT:    [[TMP1:%.*]] = add i64 0, [[TMP0]]
+; CHECK-NEXT:    [[TMP2:%.*]] = alloca i8, i64 [[TMP1]], align 8
+; CHECK-NEXT:    call void @llvm.memset.p0.i64(ptr align 8 [[TMP2]], i8 0, i64 [[TMP1]], i1 false)
+; CHECK-NEXT:    [[TMP3:%.*]] = call i64 @llvm.umin.i64(i64 [[TMP1]], i64 800)
+; CHECK-NEXT:    call void @llvm.memcpy.p0.p0.i64(ptr align 8 [[TMP2]], ptr align 8 @__msan_va_arg_tls, i64 [[TMP3]], i1 false)
+; CHECK-NEXT:    call void @llvm.donothing()
+; CHECK-NEXT:    [[VL:%.*]] = alloca ptr, align 4
+; CHECK-NEXT:    [[TMP4:%.*]] = ptrtoint ptr [[VL]] to i64
+; CHECK-NEXT:    [[TMP5:%.*]] = xor i64 [[TMP4]], 87960930222080
+; CHECK-NEXT:    [[TMP6:%.*]] = inttoptr i64 [[TMP5]] to ptr
+; CHECK-NEXT:    call void @llvm.memset.p0.i64(ptr align 4 [[TMP6]], i8 0, i64 8, i1 false)
+; CHECK-NEXT:    [[TMP7:%.*]] = ptrtoint ptr [[VL]] to i64
+; CHECK-NEXT:    [[TMP8:%.*]] = xor i64 [[TMP7]], 87960930222080
+; CHECK-NEXT:    [[TMP9:%.*]] = inttoptr i64 [[TMP8]] to ptr
+; CHECK-NEXT:    call void @llvm.memset.p0.i64(ptr align 8 [[TMP9]], i8 0, i64 8, i1 false)
+; CHECK-NEXT:    call void @llvm.va_start.p0(ptr [[VL]])
+; CHECK-NEXT:    [[TMP10:%.*]] = ptrtoint ptr [[VL]] to i64
+; CHECK-NEXT:    [[TMP11:%.*]] = inttoptr i64 [[TMP10]] to ptr
+; CHECK-NEXT:    [[TMP12:%.*]] = load ptr, ptr [[TMP11]], align 8
+; CHECK-NEXT:    [[TMP13:%.*]] = ptrtoint ptr [[TMP12]] to i64
+; CHECK-NEXT:    [[TMP14:%.*]] = xor i64 [[TMP13]], 87960930222080
+; CHECK-NEXT:    [[TMP15:%.*]] = inttoptr i64 [[TMP14]] to ptr
+; CHECK-NEXT:    call void @llvm.memcpy.p0.p0.i64(ptr align 8 [[TMP15]], ptr align 8 [[TMP2]], i64 [[TMP1]], i1 false)
+; CHECK-NEXT:    ret void
+;
 entry:
   %vl = alloca ptr, align 4
   call void @llvm.va_start(ptr %vl)

llvm/test/Instrumentation/MemorySanitizer/i386/vararg.ll

@@ -1,12 +1,41 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
-; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1
-; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan -msan-kernel=1 2>&1
+; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck %s
+; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan -msan-kernel=1 2>&1 | FileCheck %s --check-prefixes=KERNEL
 ; Test that code using va_start can be compiled on i386.
 
 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32-S128"
 target triple = "i386-unknown-linux-gnu"
 
 define void @VaStart(ptr %s, ...) {
+; CHECK-LABEL: define void @VaStart(
+; CHECK-SAME: ptr [[S:%.*]], ...) {
+; CHECK-NEXT:  [[ENTRY:.*:]]
+; CHECK-NEXT:    call void @llvm.donothing()
+; CHECK-NEXT:    [[VL:%.*]] = alloca ptr, align 4
+; CHECK-NEXT:    [[TMP0:%.*]] = ptrtoint ptr [[VL]] to i32
+; CHECK-NEXT:    [[TMP1:%.*]] = and i32 [[TMP0]], 2147483647
+; CHECK-NEXT:    [[TMP2:%.*]] = inttoptr i32 [[TMP1]] to ptr
+; CHECK-NEXT:    call void @llvm.memset.p0.i32(ptr align 4 [[TMP2]], i8 0, i32 4, i1 false)
+; CHECK-NEXT:    call void @llvm.va_start.p0(ptr [[VL]])
+; CHECK-NEXT:    ret void
+;
+; KERNEL-LABEL: define void @VaStart(
+; KERNEL-SAME: ptr [[S:%.*]], ...) {
+; KERNEL-NEXT:  [[ENTRY:.*:]]
+; KERNEL-NEXT:    [[TMP0:%.*]] = call ptr @__msan_get_context_state()
+; KERNEL-NEXT:    [[PARAM_SHADOW:%.*]] = getelementptr { [100 x i64], [100 x i64], [100 x i64], [100 x i64], i64, [200 x i32], i32, i32 }, ptr [[TMP0]], i32 0, i32 0
+; KERNEL-NEXT:    [[RETVAL_SHADOW:%.*]] = getelementptr { [100 x i64], [100 x i64], [100 x i64], [100 x i64], i64, [200 x i32], i32, i32 }, ptr [[TMP0]], i32 0, i32 1
+; KERNEL-NEXT:    [[VA_ARG_SHADOW:%.*]] = getelementptr { [100 x i64], [100 x i64], [100 x i64], [100 x i64], i64, [200 x i32], i32, i32 }, ptr [[TMP0]], i32 0, i32 2
+; KERNEL-NEXT:    [[VA_ARG_ORIGIN:%.*]] = getelementptr { [100 x i64], [100 x i64], [100 x i64], [100 x i64], i64, [200 x i32], i32, i32 }, ptr [[TMP0]], i32 0, i32 3
+; KERNEL-NEXT:    [[VA_ARG_OVERFLOW_SIZE:%.*]] = getelementptr { [100 x i64], [100 x i64], [100 x i64], [100 x i64], i64, [200 x i32], i32, i32 }, ptr [[TMP0]], i32 0, i32 4
+; KERNEL-NEXT:    [[PARAM_ORIGIN:%.*]] = getelementptr { [100 x i64], [100 x i64], [100 x i64], [100 x i64], i64, [200 x i32], i32, i32 }, ptr [[TMP0]], i32 0, i32 5
+; KERNEL-NEXT:    [[RETVAL_ORIGIN:%.*]] = getelementptr { [100 x i64], [100 x i64], [100 x i64], [100 x i64], i64, [200 x i32], i32, i32 }, ptr [[TMP0]], i32 0, i32 6
+; KERNEL-NEXT:    call void @llvm.donothing()
+; KERNEL-NEXT:    [[VL:%.*]] = alloca ptr, align 4
+; KERNEL-NEXT:    call void @__msan_unpoison_alloca(ptr [[VL]], i32 4)
+; KERNEL-NEXT:    call void @llvm.va_start.p0(ptr [[VL]])
+; KERNEL-NEXT:    ret void
+;
 entry:
   %vl = alloca ptr, align 4
   call void @llvm.va_start(ptr %vl)