Revise test checks, avoid instcombine, and use x86_64

Author: ilovepi

llvm/test/LTO/Resolution/RISCV/bcmp-libcall.ll renamed to llvm/test/LTO/Resolution/X86/bcmp-libcall.ll

@@ -2,35 +2,33 @@
 ;; definition of bcmp is deleted because it has no uses, but later instcombine
 ;; re-introduces a call to bcmp() as part of SimplifyLibCalls.
 
-; RUN: opt %s -o %t -module-summary -mtriple riscv32-unknown-linux-musl
+; RUN: opt %s -o %t -module-summary -mtriple x86_64-unknown-linux-musl
 ; RUN: llvm-lto2 run -o %t2 \
 ; RUN:   -r %t,foo,plx \
 ; RUN:   -r %t,memcmp,x \
 ; RUN:   -r %t,bcmp,pl %t -save-temps
 ; RUN: llvm-dis %t2.1.2.internalize.bc -o - \
-; RUN:   | FileCheck %s --check-prefix=INTERNALIZE
-; RUN: opt %t2.1.2.internalize.bc -passes=instcombine -o - -S \
-; RUN:   | FileCheck %s --check-prefix=OPTIMIZE
+; RUN:   | FileCheck %s
 
 define i1 @foo(ptr %0, [2 x i32] %1) {
-  ; OPTIMIZE-LABEL: define{{.*}}i1 @foo
-  ; OPTIMIZE-NEXT: %size = extractvalue [2 x i32] %1, 1
-  ; OPTIMIZE-NEXT: %bcmp = {{.*}}call i32 @bcmp
-  ; OPTIMIZE-NEXT: %eq = icmp eq i32 %bcmp, 0
-  ; OPTIMIZE-NEXT: ret i1 %eq
+  ; CHECK-LABEL: define{{.*}}i1 @foo
+  ; CHECK-NEXT: %size = extractvalue [2 x i32] %1, 1
+  ; CHECK-NEXT: %cmp = {{.*}}call i32 @memcmp
+  ; CHECK-NEXT: %eq = icmp eq i32 %cmp, 0
+  ; CHECK-NEXT: ret i1 %eq
 
   %size = extractvalue [2 x i32] %1, 1
   %cmp = call i32 @memcmp(ptr %0, ptr null, i32 %size)
   %eq = icmp eq i32 %cmp, 0
   ret i1 %eq
 }
 
-; INTERNALIZE: declare i32 @memcmp(ptr, ptr, i32)
+; CHECK: declare i32 @memcmp(ptr, ptr, i32)
 declare i32 @memcmp(ptr, ptr, i32)
 
 ;; Ensure bcmp is removed from module. Follow up patches can address this.
-; INTERNALIZE-NOT: declare{{.*}}i32 @bcmp
-; INTERNALIZE-NOT: define{{.*}}i32 @bcmp
+; CHECK-NOT: declare{{.*}}i32 @bcmp
+; CHECK-NOT: define{{.*}}i32 @bcmp
 define i32 @bcmp(ptr %0, ptr %1, i32 %2) {
   ret i32 0
 }