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https://github.com/c64scene-ar/llvm-6502.git
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Revert r146822 at Pete Cooper's request as it broke clang self hosting.
Hope I did this correctly :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146834 91177308-0d34-0410-b5e6-96231b3b80d8
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@@ -1,152 +0,0 @@
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; RUN: opt < %s -simplifycfg -dce -S | FileCheck %s
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; Test that when == is true, all 6 comparisons evaluate to true or false
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; ie, a == b implies a > b is false, but a >= b is true, and so on
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define void @testEqTrue(i32 %a, i32 %b) {
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; CHECK: @testEqTrue
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; CHECK: icmp eq i32 %a, %b
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; CHECK: call void @_Z1gi(i32 0)
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; a == b implies a == b
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; CHECK-NEXT: call void @_Z1gi(i32 1)
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; a == b implies a >= b
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; CHECK-NEXT: call void @_Z1gi(i32 3)
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; a == b implies a <= b
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; CHECK-NEXT: call void @_Z1gi(i32 4)
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; CHECK: ret void
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entry:
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%cmp = icmp eq i32 %a, %b
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br i1 %cmp, label %if.then, label %if.end18
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if.then: ; preds = %entry
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call void @_Z1gi(i32 0)
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%cmp1 = icmp eq i32 %a, %b
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br i1 %cmp1, label %if.then2, label %if.end
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if.then2: ; preds = %if.then
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call void @_Z1gi(i32 1)
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br label %if.end
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if.end: ; preds = %if.then2, %if.then
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%cmp3 = icmp ne i32 %a, %b
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br i1 %cmp3, label %if.then4, label %if.end5
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if.then4: ; preds = %if.end
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call void @_Z1gi(i32 2)
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br label %if.end5
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if.end5: ; preds = %if.then4, %if.end
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%cmp6 = icmp sge i32 %a, %b
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br i1 %cmp6, label %if.then7, label %if.end8
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if.then7: ; preds = %if.end5
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call void @_Z1gi(i32 3)
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br label %if.end8
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if.end8: ; preds = %if.then7, %if.end5
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%cmp9 = icmp sle i32 %a, %b
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br i1 %cmp9, label %if.then10, label %if.end11
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if.then10: ; preds = %if.end8
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call void @_Z1gi(i32 4)
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br label %if.end11
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if.end11: ; preds = %if.then10, %if.end8
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%cmp12 = icmp sgt i32 %a, %b
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br i1 %cmp12, label %if.then13, label %if.end14
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if.then13: ; preds = %if.end11
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call void @_Z1gi(i32 5)
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br label %if.end14
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if.end14: ; preds = %if.then13, %if.end11
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%cmp15 = icmp slt i32 %a, %b
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br i1 %cmp15, label %if.then16, label %if.end18
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if.then16: ; preds = %if.end14
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call void @_Z1gi(i32 6)
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br label %if.end18
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if.end18: ; preds = %if.end14, %if.then16, %entry
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ret void
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}
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; Test that when == is false, all 6 comparisons evaluate to true or false
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; ie, a == b implies a > b is false, but a >= b is true, and so on
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define void @testEqFalse(i32 %a, i32 %b) {
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; CHECK: @testEqFalse
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; CHECK: icmp eq i32 %a, %b
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; CHECK: call void @_Z1gi(i32 0)
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; CHECK-NOT: call void @_Z1gi(i32 1)
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; CHECK-NOT: icmp ne
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; CHECK: call void @_Z1gi(i32 2)
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; CHECK: icmp sge
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; CHECK: call void @_Z1gi(i32 3)
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; CHECK: icmp sle
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; CHECK: call void @_Z1gi(i32 4)
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; CHECK: icmp sgt
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; CHECK: call void @_Z1gi(i32 5)
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; CHECK: icmp slt
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; CHECK: call void @_Z1gi(i32 6)
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; CHECK: ret void
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entry:
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%cmp = icmp eq i32 %a, %b
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br i1 %cmp, label %if.then, label %if.else
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if.then: ; preds = %entry
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call void @_Z1gi(i32 0)
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br label %if.end18
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if.else:
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%cmp1 = icmp eq i32 %a, %b
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br i1 %cmp1, label %if.then2, label %if.end
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if.then2: ; preds = %if.then
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call void @_Z1gi(i32 1)
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br label %if.end
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if.end: ; preds = %if.then2, %if.then
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%cmp3 = icmp ne i32 %a, %b
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br i1 %cmp3, label %if.then4, label %if.end5
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if.then4: ; preds = %if.end
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call void @_Z1gi(i32 2)
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br label %if.end5
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if.end5: ; preds = %if.then4, %if.end
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%cmp6 = icmp sge i32 %a, %b
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br i1 %cmp6, label %if.then7, label %if.end8
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if.then7: ; preds = %if.end5
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call void @_Z1gi(i32 3)
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br label %if.end8
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if.end8: ; preds = %if.then7, %if.end5
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%cmp9 = icmp sle i32 %a, %b
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br i1 %cmp9, label %if.then10, label %if.end11
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if.then10: ; preds = %if.end8
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call void @_Z1gi(i32 4)
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br label %if.end11
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if.end11: ; preds = %if.then10, %if.end8
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%cmp12 = icmp sgt i32 %a, %b
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br i1 %cmp12, label %if.then13, label %if.end14
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if.then13: ; preds = %if.end11
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call void @_Z1gi(i32 5)
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br label %if.end14
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if.end14: ; preds = %if.then13, %if.end11
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%cmp15 = icmp slt i32 %a, %b
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br i1 %cmp15, label %if.then16, label %if.end18
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if.then16: ; preds = %if.end14
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call void @_Z1gi(i32 6)
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br label %if.end18
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if.end18: ; preds = %if.end14, %if.then16, %entry
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ret void
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}
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declare void @_Z1gi(i32)
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