mirror of
https://github.com/c64scene-ar/llvm-6502.git
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63 lines
2.0 KiB
LLVM
63 lines
2.0 KiB
LLVM
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; RUN: llvm-as < %s | opt -indvars | llvm-dis | not grep sext
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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"
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define i64 @test(i64* nocapture %first, i32 %count) nounwind readonly {
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entry:
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%t0 = icmp sgt i32 %count, 0 ; <i1> [#uses=1]
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br i1 %t0, label %bb.nph, label %bb2
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bb.nph: ; preds = %entry
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br label %bb
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bb: ; preds = %bb1, %bb.nph
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%result.02 = phi i64 [ %t5, %bb1 ], [ 0, %bb.nph ] ; <i64> [#uses=1]
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%n.01 = phi i32 [ %t6, %bb1 ], [ 0, %bb.nph ] ; <i32> [#uses=2]
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%t1 = sext i32 %n.01 to i64 ; <i64> [#uses=1]
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%t2 = getelementptr i64* %first, i64 %t1 ; <i64*> [#uses=1]
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%t3 = load i64* %t2, align 8 ; <i64> [#uses=1]
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%t4 = lshr i64 %t3, 4 ; <i64> [#uses=1]
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%t5 = add i64 %t4, %result.02 ; <i64> [#uses=2]
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%t6 = add i32 %n.01, 1 ; <i32> [#uses=2]
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br label %bb1
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bb1: ; preds = %bb
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%t7 = icmp slt i32 %t6, %count ; <i1> [#uses=1]
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br i1 %t7, label %bb, label %bb1.bb2_crit_edge
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bb1.bb2_crit_edge: ; preds = %bb1
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%.lcssa = phi i64 [ %t5, %bb1 ] ; <i64> [#uses=1]
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br label %bb2
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bb2: ; preds = %bb1.bb2_crit_edge, %entry
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%result.0.lcssa = phi i64 [ %.lcssa, %bb1.bb2_crit_edge ], [ 0, %entry ] ; <i64> [#uses=1]
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ret i64 %result.0.lcssa
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}
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define void @foo(i16 signext %N, i32* nocapture %P) nounwind {
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entry:
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%t0 = icmp sgt i16 %N, 0 ; <i1> [#uses=1]
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br i1 %t0, label %bb.nph, label %return
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bb.nph: ; preds = %entry
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br label %bb
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bb: ; preds = %bb1, %bb.nph
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%i.01 = phi i16 [ %t3, %bb1 ], [ 0, %bb.nph ] ; <i16> [#uses=2]
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%t1 = sext i16 %i.01 to i64 ; <i64> [#uses=1]
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%t2 = getelementptr i32* %P, i64 %t1 ; <i32*> [#uses=1]
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store i32 123, i32* %t2, align 4
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%t3 = add i16 %i.01, 1 ; <i16> [#uses=2]
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br label %bb1
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bb1: ; preds = %bb
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%t4 = icmp slt i16 %t3, %N ; <i1> [#uses=1]
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br i1 %t4, label %bb, label %bb1.return_crit_edge
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bb1.return_crit_edge: ; preds = %bb1
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br label %return
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return: ; preds = %bb1.return_crit_edge, %entry
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ret void
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}
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