update test to use FileCheck

llvm-svn: 271840

1 files changed, 175 insertions, 93 deletions

diff --git a/llvm/test/Transforms/InstCombine/set.ll b/llvm/test/Transforms/InstCombine/set.ll
index daa9148f6ad..17dbdecc164 100644
--- a/llvm/test/Transforms/InstCombine/set.ll
+++ b/llvm/test/Transforms/InstCombine/set.ll
@@ -1,171 +1,253 @@
-; This test makes sure that these instructions are properly eliminated.
-;
-; RUN: opt < %s -instcombine -S | not grep icmp
-; END.
-	
-@X = external global i32                ; <i32*> [#uses=2]
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; This test makes sure that all icmp instructions are eliminated.
+; RUN: opt < %s -instcombine -S | FileCheck %s
+
+@X = external global i32
 
 define i1 @test1(i32 %A) {
-        %B = icmp eq i32 %A, %A         ; <i1> [#uses=1]
-        ; Never true
-        %C = icmp eq i32* @X, null              ; <i1> [#uses=1]
-        %D = and i1 %B, %C              ; <i1> [#uses=1]
-        ret i1 %D
+; CHECK-LABEL: @test1(
+; CHECK-NEXT:    ret i1 false
+;
+  %B = icmp eq i32 %A, %A
+  ; Never true
+  %C = icmp eq i32* @X, null
+  %D = and i1 %B, %C
+  ret i1 %D
 }
 
 define i1 @test2(i32 %A) {
-        %B = icmp ne i32 %A, %A         ; <i1> [#uses=1]
-        ; Never false
-        %C = icmp ne i32* @X, null              ; <i1> [#uses=1]
-        %D = or i1 %B, %C               ; <i1> [#uses=1]
-        ret i1 %D
+; CHECK-LABEL: @test2(
+; CHECK-NEXT:    ret i1 true
+;
+  %B = icmp ne i32 %A, %A
+  ; Never false
+  %C = icmp ne i32* @X, null
+  %D = or i1 %B, %C
+  ret i1 %D
 }
 
 define i1 @test3(i32 %A) {
-        %B = icmp slt i32 %A, %A                ; <i1> [#uses=1]
-        ret i1 %B
+; CHECK-LABEL: @test3(
+; CHECK-NEXT:    ret i1 false
+;
+  %B = icmp slt i32 %A, %A
+  ret i1 %B
 }
 
 
 define i1 @test4(i32 %A) {
-        %B = icmp sgt i32 %A, %A                ; <i1> [#uses=1]
-        ret i1 %B
+; CHECK-LABEL: @test4(
+; CHECK-NEXT:    ret i1 false
+;
+  %B = icmp sgt i32 %A, %A
+  ret i1 %B
 }
 
 define i1 @test5(i32 %A) {
-        %B = icmp sle i32 %A, %A                ; <i1> [#uses=1]
-        ret i1 %B
+; CHECK-LABEL: @test5(
+; CHECK-NEXT:    ret i1 true
+;
+  %B = icmp sle i32 %A, %A
+  ret i1 %B
 }
 
 define i1 @test6(i32 %A) {
-        %B = icmp sge i32 %A, %A                ; <i1> [#uses=1]
-        ret i1 %B
+; CHECK-LABEL: @test6(
+; CHECK-NEXT:    ret i1 true
+;
+  %B = icmp sge i32 %A, %A
+  ret i1 %B
 }
 
 define i1 @test7(i32 %A) {
-        ; true
-        %B = icmp uge i32 %A, 0         ; <i1> [#uses=1]
-        ret i1 %B
+; CHECK-LABEL: @test7(
+; CHECK-NEXT:    ret i1 true
+;
+  %B = icmp uge i32 %A, 0
+  ret i1 %B
 }
 
 define i1 @test8(i32 %A) {
-        ; false
-        %B = icmp ult i32 %A, 0         ; <i1> [#uses=1]
-        ret i1 %B
+; CHECK-LABEL: @test8(
+; CHECK-NEXT:    ret i1 false
+;
+  %B = icmp ult i32 %A, 0
+  ret i1 %B
 }
 
 ;; test operations on boolean values these should all be eliminated$a
 define i1 @test9(i1 %A) {
-        ; false
-        %B = icmp ult i1 %A, false              ; <i1> [#uses=1]
-        ret i1 %B
+; CHECK-LABEL: @test9(
+; CHECK-NEXT:    ret i1 false
+;
+  %B = icmp ult i1 %A, false
+  ret i1 %B
 }
 
 define i1 @test10(i1 %A) {
-        ; false
-        %B = icmp ugt i1 %A, true               ; <i1> [#uses=1]
-        ret i1 %B
+; CHECK-LABEL: @test10(
+; CHECK-NEXT:    ret i1 false
+;
+  %B = icmp ugt i1 %A, true
+  ret i1 %B
 }
 
 define i1 @test11(i1 %A) {
-        ; true
-        %B = icmp ule i1 %A, true               ; <i1> [#uses=1]
-        ret i1 %B
+; CHECK-LABEL: @test11(
+; CHECK-NEXT:    ret i1 true
+;
+  %B = icmp ule i1 %A, true
+  ret i1 %B
 }
 
 define i1 @test12(i1 %A) {
-        ; true
-        %B = icmp uge i1 %A, false              ; <i1> [#uses=1]
-        ret i1 %B
+; CHECK-LABEL: @test12(
+; CHECK-NEXT:    ret i1 true
+;
+  %B = icmp uge i1 %A, false
+  ret i1 %B
 }
 
 define i1 @test13(i1 %A, i1 %B) {
-        ; A | ~B
-        %C = icmp uge i1 %A, %B         ; <i1> [#uses=1]
-        ret i1 %C
+; CHECK-LABEL: @test13(
+; CHECK-NEXT:    [[CTMP:%.*]] = xor i1 %B, true
+; CHECK-NEXT:    [[C:%.*]] = or i1 [[C:%.*]]tmp, %A
+; CHECK-NEXT:    ret i1 [[C]]
+;
+  %C = icmp uge i1 %A, %B
+  ret i1 %C
 }
 
 define i1 @test14(i1 %A, i1 %B) {
-        ; ~(A ^ B)
-        %C = icmp eq i1 %A, %B          ; <i1> [#uses=1]
-        ret i1 %C
+; CHECK-LABEL: @test14(
+; CHECK-NEXT:    [[CTMP:%.*]] = xor i1 %A, %B
+; CHECK-NEXT:    [[C:%.*]] = xor i1 [[C:%.*]]tmp, true
+; CHECK-NEXT:    ret i1 [[C]]
+;
+  %C = icmp eq i1 %A, %B
+  ret i1 %C
 }
 
 define i1 @test16(i32 %A) {
-        %B = and i32 %A, 5              ; <i32> [#uses=1]
-        ; Is never true
-        %C = icmp eq i32 %B, 8          ; <i1> [#uses=1]
-        ret i1 %C
+; CHECK-LABEL: @test16(
+; CHECK-NEXT:    ret i1 false
+;
+  %B = and i32 %A, 5
+  ; Is never true
+  %C = icmp eq i32 %B, 8
+  ret i1 %C
 }
 
 define i1 @test17(i8 %A) {
-        %B = or i8 %A, 1                ; <i8> [#uses=1]
-        ; Always false
-        %C = icmp eq i8 %B, 2           ; <i1> [#uses=1]
-        ret i1 %C
+; CHECK-LABEL: @test17(
+; CHECK-NEXT:    ret i1 false
+;
+  %B = or i8 %A, 1
+  ; Always false
+  %C = icmp eq i8 %B, 2
+  ret i1 %C
 }
 
 define i1 @test18(i1 %C, i32 %a) {
+; CHECK-LABEL: @test18(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    br i1 %C, label %endif, label %else
+; CHECK:       else:
+; CHECK-NEXT:    br label %endif
+; CHECK:       endif:
+; CHECK-NEXT:    ret i1 true
+;
 entry:
-        br i1 %C, label %endif, label %else
+  br i1 %C, label %endif, label %else
 
-else:           ; preds = %entry
-        br label %endif
+else:
+  br label %endif
 
-endif:          ; preds = %else, %entry
-        %b.0 = phi i32 [ 0, %entry ], [ 1, %else ]              ; <i32> [#uses=1]
-        %tmp.4 = icmp slt i32 %b.0, 123         ; <i1> [#uses=1]
-        ret i1 %tmp.4
+endif:
+  %b.0 = phi i32 [ 0, %entry ], [ 1, %else ]
+  %tmp.4 = icmp slt i32 %b.0, 123
+  ret i1 %tmp.4
 }
 
 define i1 @test19(i1 %A, i1 %B) {
-        %a = zext i1 %A to i32          ; <i32> [#uses=1]
-        %b = zext i1 %B to i32          ; <i32> [#uses=1]
-        %C = icmp eq i32 %a, %b         ; <i1> [#uses=1]
-        ret i1 %C
+; CHECK-LABEL: @test19(
+; CHECK-NEXT:    [[CTMP:%.*]] = xor i1 %A, %B
+; CHECK-NEXT:    [[C:%.*]] = xor i1 [[C:%.*]]tmp, true
+; CHECK-NEXT:    ret i1 [[C]]
+;
+  %a = zext i1 %A to i32
+  %b = zext i1 %B to i32
+  %C = icmp eq i32 %a, %b
+  ret i1 %C
 }
 
 define i32 @test20(i32 %A) {
-        %B = and i32 %A, 1              ; <i32> [#uses=1]
-        %C = icmp ne i32 %B, 0          ; <i1> [#uses=1]
-        %D = zext i1 %C to i32          ; <i32> [#uses=1]
-        ret i32 %D
+; CHECK-LABEL: @test20(
+; CHECK-NEXT:    [[B:%.*]] = and i32 %A, 1
+; CHECK-NEXT:    ret i32 [[B]]
+;
+  %B = and i32 %A, 1
+  %C = icmp ne i32 %B, 0
+  %D = zext i1 %C to i32
+  ret i32 %D
 }
 
 define i32 @test21(i32 %a) {
-        %tmp.6 = and i32 %a, 4          ; <i32> [#uses=1]
-        %not.tmp.7 = icmp ne i32 %tmp.6, 0              ; <i1> [#uses=1]
-        %retval = zext i1 %not.tmp.7 to i32             ; <i32> [#uses=1]
-        ret i32 %retval
+; CHECK-LABEL: @test21(
+; CHECK-NEXT:    [[TMP_6:%.*]] = lshr i32 %a, 2
+; CHECK-NEXT:    [[TMP_6_LOBIT:%.*]] = and i32 [[TMP_6]], 1
+; CHECK-NEXT:    ret i32 [[TMP_6_LOBIT]]
+;
+  %tmp.6 = and i32 %a, 4
+  %not.tmp.7 = icmp ne i32 %tmp.6, 0
+  %retval = zext i1 %not.tmp.7 to i32
+  ret i32 %retval
 }
 
 define i1 @test22(i32 %A, i32 %X) {
-        %B = and i32 %A, 100663295              ; <i32> [#uses=1]
-        %C = icmp ult i32 %B, 268435456         ; <i1> [#uses=1]
-        %Y = and i32 %X, 7              ; <i32> [#uses=1]
-        %Z = icmp sgt i32 %Y, -1                ; <i1> [#uses=1]
-        %R = or i1 %C, %Z               ; <i1> [#uses=1]
-        ret i1 %R
+; CHECK-LABEL: @test22(
+; CHECK-NEXT:    ret i1 true
+;
+  %B = and i32 %A, 100663295
+  %C = icmp ult i32 %B, 268435456
+  %Y = and i32 %X, 7
+  %Z = icmp sgt i32 %Y, -1
+  %R = or i1 %C, %Z
+  ret i1 %R
 }
 
 define i32 @test23(i32 %a) {
-        %tmp.1 = and i32 %a, 1          ; <i32> [#uses=1]
-        %tmp.2 = icmp eq i32 %tmp.1, 0          ; <i1> [#uses=1]
-        %tmp.3 = zext i1 %tmp.2 to i32          ; <i32> [#uses=1]
-        ret i32 %tmp.3
+; CHECK-LABEL: @test23(
+; CHECK-NEXT:    [[TMP_1:%.*]] = and i32 %a, 1
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[TMP_1]], 1
+; CHECK-NEXT:    ret i32 [[TMP1]]
+;
+  %tmp.1 = and i32 %a, 1
+  %tmp.2 = icmp eq i32 %tmp.1, 0
+  %tmp.3 = zext i1 %tmp.2 to i32
+  ret i32 %tmp.3
 }
 
 define i32 @test24(i32 %a) {
-        %tmp1 = and i32 %a, 4           ; <i32> [#uses=1]
-        %tmp.1 = lshr i32 %tmp1, 2              ; <i32> [#uses=1]
-        %tmp.2 = icmp eq i32 %tmp.1, 0          ; <i1> [#uses=1]
-        %tmp.3 = zext i1 %tmp.2 to i32          ; <i32> [#uses=1]
-        ret i32 %tmp.3
+; CHECK-LABEL: @test24(
+; CHECK-NEXT:    [[TMP_1:%.*]] = lshr i32 %a, 2
+; CHECK-NEXT:    [[TMP_1_LOBIT:%.*]] = and i32 [[TMP_1]], 1
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[TMP_1_LOBIT]], 1
+; CHECK-NEXT:    ret i32 [[TMP1]]
+;
+  %tmp1 = and i32 %a, 4
+  %tmp.1 = lshr i32 %tmp1, 2
+  %tmp.2 = icmp eq i32 %tmp.1, 0
+  %tmp.3 = zext i1 %tmp.2 to i32
+  ret i32 %tmp.3
 }
 
 define i1 @test25(i32 %A) {
-        %B = and i32 %A, 2              ; <i32> [#uses=1]
-        %C = icmp ugt i32 %B, 2         ; <i1> [#uses=1]
-        ret i1 %C
+; CHECK-LABEL: @test25(
+; CHECK-NEXT:    ret i1 false
+;
+  %B = and i32 %A, 2
+  %C = icmp ugt i32 %B, 2
+  ret i1 %C
 }