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d200829a4f
versions of Bash. In addition, I can back out the change to the lit built-in shell test runner to support this. This should fix the majority of fallout on Darwin, but I suspect there will be a few straggling issues. llvm-svn: 159544
32 lines
882 B
LLVM
32 lines
882 B
LLVM
; RUN: opt < %s -analyze -scalar-evolution 2>&1 | \
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; RUN: grep "Loop %bb: backedge-taken count is (7 + (-1 \* %argc))"
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define i32 @main(i32 %argc, i8** %argv) nounwind {
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entry:
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%0 = icmp ugt i32 %argc, 7 ; <i1> [#uses=1]
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br i1 %0, label %bb2, label %bb.nph
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bb.nph: ; preds = %entry
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br label %bb
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bb: ; preds = %bb.nph, %bb1
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%indvar = phi i32 [ 0, %bb.nph ], [ %indvar.next, %bb1 ] ; <i32> [#uses=2]
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%argc_addr.04 = add i32 %indvar, %argc ; <i32> [#uses=1]
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tail call void (...)* @Test() nounwind
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%1 = add i32 %argc_addr.04, 1 ; <i32> [#uses=1]
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br label %bb1
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bb1: ; preds = %bb
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%phitmp = icmp ugt i32 %1, 7 ; <i1> [#uses=1]
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%indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1]
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br i1 %phitmp, label %bb1.bb2_crit_edge, label %bb
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bb1.bb2_crit_edge: ; preds = %bb1
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br label %bb2
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bb2: ; preds = %bb1.bb2_crit_edge, %entry
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ret i32 0
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}
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declare void @Test(...)
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