forked from OSchip/llvm-project
FileCheck'ify some wc/grep based tests; NFCI.
llvm-svn: 243378
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@ -1,7 +1,10 @@
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; RUN: opt < %s -O3 -o - | llc -no-integrated-as -o - | grep bork_directive | wc -l | grep 2
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; RUN: opt < %s -O3 | llc -no-integrated-as | FileCheck %s
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;; We don't want branch folding to fold asm directives.
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; CHECK: bork_directive
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; CHECK: bork_directive
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define void @bork(i32 %param) {
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entry:
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%tmp = icmp eq i32 %param, 0
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@ -1,38 +1,45 @@
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; These tests have an infinite trip count. We obviously shouldn't remove the
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; loops! :)
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;
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; RUN: opt < %s -indvars -adce -simplifycfg -S | grep icmp | wc -l > %t2
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; RUN: llvm-as < %s | llvm-dis | grep icmp | wc -l > %t1
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; RUN: diff %t1 %t2
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; RUN: opt < %s -indvars -adce -simplifycfg -S | FileCheck %s
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;; test for (i = 1; i != 100; i += 2)
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define i32 @infinite_linear() {
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; CHECK-LABEL: @infinite_linear(
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entry:
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br label %loop
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loop: ; preds = %loop, %entry
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; CHECK-LABEL: loop:
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%i = phi i32 [ 1, %entry ], [ %i.next, %loop ] ; <i32> [#uses=3]
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%i.next = add i32 %i, 2 ; <i32> [#uses=1]
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%c = icmp ne i32 %i, 100 ; <i1> [#uses=1]
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; CHECK: icmp
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; CHECK: br
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br i1 %c, label %loop, label %loopexit
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loopexit: ; preds = %loop
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; CHECK-LABEL: loopexit:
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ret i32 %i
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}
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;; test for (i = 1; i*i != 63; ++i)
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define i32 @infinite_quadratic() {
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; CHECK-LABEL: @infinite_quadratic(
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entry:
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br label %loop
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loop: ; preds = %loop, %entry
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; CHECK-LABEL: loop:
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%i = phi i32 [ 1, %entry ], [ %i.next, %loop ] ; <i32> [#uses=4]
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%isquare = mul i32 %i, %i ; <i32> [#uses=1]
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%i.next = add i32 %i, 1 ; <i32> [#uses=1]
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%c = icmp ne i32 %isquare, 63 ; <i1> [#uses=1]
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; CHECK: icmp
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; CHECK: br
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br i1 %c, label %loop, label %loopexit
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loopexit: ; preds = %loop
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; CHECK-LABEL: loopexit:
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ret i32 %i
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}
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