[test] Rewrite various tests to not use constprop

Reviewed By: nikic

Differential Revision: https://reviews.llvm.org/D86653

llvm/test/Transforms/Inline/externally_available.ll

@@ -1,4 +1,4 @@
-; RUN: opt < %s -inline -constprop -S | FileCheck %s
+; RUN: opt < %s -inline -S | FileCheck %s
 
 define available_externally i32 @test_function() {
 ; CHECK-NOT: @test_function
@@ -16,7 +16,8 @@ entry:
 
   %B = add i32 %A, 1
   ret i32 %B
-; CHECK: ret i32 5
+; CHECK: add i32
+; CHECK-NEXT: ret i32
 }
 
 ; CHECK-NOT: @test_function

llvm/test/Transforms/Reassociate/2002-05-15-SubReassociate.ll

@@ -1,5 +1,5 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt < %s -reassociate -constprop -instcombine -dce -S | FileCheck %s
+; RUN: opt < %s -reassociate -instcombine -dce -S | FileCheck %s
 
 ; With sub reassociation, constant folding can eliminate all of the constants.
 define i32 @test1(i32 %A, i32 %B) {

llvm/test/Transforms/Reassociate/fast-SubReassociate.ll

@@ -1,5 +1,5 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt < %s -reassociate -constprop -instcombine -S | FileCheck %s
+; RUN: opt < %s -reassociate -instcombine -S | FileCheck %s
 
 define float @test1(float %A, float %B) {
 ; CHECK-LABEL: @test1(

llvm/test/Transforms/Reassociate/otherops.ll

@@ -1,6 +1,6 @@
 ; Reassociation should apply to Add, Mul, And, Or, & Xor
 ;
-; RUN: opt < %s -reassociate -constprop -instcombine -die -S | FileCheck %s
+; RUN: opt < %s -reassociate -instcombine -die -S | FileCheck %s
 
 define i32 @test_mul(i32 %arg) {
 ; CHECK-LABEL: test_mul