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Diffstat (limited to 'test/CodeGen/PowerPC/lsr-postinc-pos.ll')
-rw-r--r-- | test/CodeGen/PowerPC/lsr-postinc-pos.ll | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/lsr-postinc-pos.ll b/test/CodeGen/PowerPC/lsr-postinc-pos.ll new file mode 100644 index 0000000..f441e42 --- /dev/null +++ b/test/CodeGen/PowerPC/lsr-postinc-pos.ll @@ -0,0 +1,32 @@ +; RUN: llc < %s -print-lsr-output |& FileCheck %s + +; The icmp is a post-inc use, and the increment is in %bb11, but the +; scevgep needs to be inserted in %bb so that it is dominated by %t. + +; CHECK: %t = load i8** undef +; CHECK: %scevgep = getelementptr i8* %t, i32 %lsr.iv.next +; CHECK: %c1 = icmp ult i8* %scevgep, undef + +target datalayout = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f128:64:128-n32" +target triple = "powerpc-apple-darwin9" + +define void @foo() nounwind { +entry: + br label %bb11 + +bb11: + %i = phi i32 [ 0, %entry ], [ %i.next, %bb ] ; <i32> [#uses=3] + %ii = shl i32 %i, 2 ; <i32> [#uses=1] + %c0 = icmp eq i32 %i, undef ; <i1> [#uses=1] + br i1 %c0, label %bb13, label %bb + +bb: + %t = load i8** undef, align 16 ; <i8*> [#uses=1] + %p = getelementptr i8* %t, i32 %ii ; <i8*> [#uses=1] + %c1 = icmp ult i8* %p, undef ; <i1> [#uses=1] + %i.next = add i32 %i, 1 ; <i32> [#uses=1] + br i1 %c1, label %bb11, label %bb13 + +bb13: + unreachable +} |