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50 lines
2.0 KiB
LLVM
50 lines
2.0 KiB
LLVM
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; RUN: llc < %s
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; PR6372
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;
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; This test produces a move instruction with an implicitly defined super-register:
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;
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; %DL<def> = MOV8rr %reg1038<kill>, %RDX<imp-def>
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;
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; When %DL is rematerialized, we must remember to update live intervals for
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; sub-registers %DX and %EDX.
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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target triple = "x86_64-apple-darwin10.0.0"
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define noalias i8* @foo() nounwind ssp {
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entry:
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br i1 undef, label %for.end, label %for.body
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for.body: ; preds = %if.end40, %entry
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%tmp6 = load i8* undef, align 2 ; <i8> [#uses=3]
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%conv11 = sext i8 %tmp6 to i64 ; <i64> [#uses=1]
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%cmp15 = icmp slt i64 %conv11, undef ; <i1> [#uses=1]
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br i1 %cmp15, label %if.end, label %if.then
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if.then: ; preds = %for.body
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%conv18 = sext i8 %tmp6 to i32 ; <i32> [#uses=1]
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%call = tail call i32 (...)* @invalid(i32 0, i32 0, i32 %conv18) nounwind ; <i32> [#uses=0]
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br label %if.end
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if.end: ; preds = %if.then, %for.body
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%index.0 = phi i8 [ 0, %if.then ], [ %tmp6, %for.body ] ; <i8> [#uses=1]
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store i8 %index.0, i8* undef
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%tmp24 = load i8* undef ; <i8> [#uses=2]
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br i1 undef, label %if.end40, label %if.then36
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if.then36: ; preds = %if.end
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%conv38 = sext i8 %tmp24 to i32 ; <i32> [#uses=1]
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%call39 = tail call i32 (...)* @invalid(i32 0, i32 0, i32 %conv38) nounwind ; <i32> [#uses=0]
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br label %if.end40
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if.end40: ; preds = %if.then36, %if.end
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%index.1 = phi i8 [ 0, %if.then36 ], [ %tmp24, %if.end ] ; <i8> [#uses=1]
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store i8 %index.1, i8* undef
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br i1 false, label %for.body, label %for.end
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for.end: ; preds = %if.end40, %entry
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ret i8* undef
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}
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declare i32 @invalid(...)
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