Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/InstCombine/setcc-strength-reduce.ll

@@ -1,37 +0,0 @@
-; This test ensures that "strength reduction" of conditional expressions are
-; working.  Basically this boils down to converting setlt,gt,le,ge instructions
-; into equivalent setne,eq instructions.
-;
-; RUN: opt < %s -instcombine -S | \
-; RUN:    grep -v "icmp eq" | grep -v "icmp ne" | not grep icmp
-; END.
-
-define i1 @test1(i32 %A) {
-        ; setne %A, 0
-        %B = icmp uge i32 %A, 1         ; <i1> [#uses=1]
-        ret i1 %B
-}
-
-define i1 @test2(i32 %A) {
-       ; setne %A, 0
-        %B = icmp ugt i32 %A, 0         ; <i1> [#uses=1]
-        ret i1 %B
-}
-
-define i1 @test3(i8 %A) {
-        ; setne %A, -128
-        %B = icmp sge i8 %A, -127               ; <i1> [#uses=1]
-        ret i1 %B
-}
-
-define i1 @test4(i8 %A) {
-        ; setne %A, 127 
-        %B = icmp sle i8 %A, 126                ; <i1> [#uses=1]
-        ret i1 %B
-}
-
-define i1 @test5(i8 %A) {
-        ; setne %A, 127
-        %B = icmp slt i8 %A, 127                ; <i1> [#uses=1]
-        ret i1 %B
-}