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Diffstat (limited to 'test/Transforms/InstCombine/2006-12-08-Phi-ICmp-Op-Fold.ll')
| -rw-r--r-- | test/Transforms/InstCombine/2006-12-08-Phi-ICmp-Op-Fold.ll | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/2006-12-08-Phi-ICmp-Op-Fold.ll b/test/Transforms/InstCombine/2006-12-08-Phi-ICmp-Op-Fold.ll new file mode 100644 index 0000000..5a74bd2 --- /dev/null +++ b/test/Transforms/InstCombine/2006-12-08-Phi-ICmp-Op-Fold.ll @@ -0,0 +1,51 @@ +; RUN: opt < %s -instcombine -S | \ +; RUN: grep {icmp sgt} +; END. +target datalayout = "e-p:32:32" +target triple = "i686-pc-linux-gnu" + %struct.point = type { i32, i32 } + +define i32 @visible(i32 %direction, i64 %p1.0, i64 %p2.0, i64 %p3.0) { +entry: + %p1_addr = alloca %struct.point ; <%struct.point*> [#uses=2] + %p2_addr = alloca %struct.point ; <%struct.point*> [#uses=2] + %p3_addr = alloca %struct.point ; <%struct.point*> [#uses=2] + %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] + %tmp = bitcast %struct.point* %p1_addr to { i64 }* ; <{ i64 }*> [#uses=1] + %tmp.upgrd.1 = getelementptr { i64 }* %tmp, i64 0, i32 0 ; <i64*> [#uses=1] + store i64 %p1.0, i64* %tmp.upgrd.1 + %tmp1 = bitcast %struct.point* %p2_addr to { i64 }* ; <{ i64 }*> [#uses=1] + %tmp2 = getelementptr { i64 }* %tmp1, i64 0, i32 0 ; <i64*> [#uses=1] + store i64 %p2.0, i64* %tmp2 + %tmp3 = bitcast %struct.point* %p3_addr to { i64 }* ; <{ i64 }*> [#uses=1] + %tmp4 = getelementptr { i64 }* %tmp3, i64 0, i32 0 ; <i64*> [#uses=1] + store i64 %p3.0, i64* %tmp4 + %tmp.upgrd.2 = icmp eq i32 %direction, 0 ; <i1> [#uses=1] + %tmp5 = bitcast %struct.point* %p1_addr to { i64 }* ; <{ i64 }*> [#uses=1] + %tmp6 = getelementptr { i64 }* %tmp5, i64 0, i32 0 ; <i64*> [#uses=1] + %tmp.upgrd.3 = load i64* %tmp6 ; <i64> [#uses=1] + %tmp7 = bitcast %struct.point* %p2_addr to { i64 }* ; <{ i64 }*> [#uses=1] + %tmp8 = getelementptr { i64 }* %tmp7, i64 0, i32 0 ; <i64*> [#uses=1] + %tmp9 = load i64* %tmp8 ; <i64> [#uses=1] + %tmp10 = bitcast %struct.point* %p3_addr to { i64 }* ; <{ i64 }*> [#uses=1] + %tmp11 = getelementptr { i64 }* %tmp10, i64 0, i32 0 ; <i64*> [#uses=1] + %tmp12 = load i64* %tmp11 ; <i64> [#uses=1] + %tmp13 = call i32 @determinant( i64 %tmp.upgrd.3, i64 %tmp9, i64 %tmp12 ) ; <i32> [#uses=2] + br i1 %tmp.upgrd.2, label %cond_true, label %cond_false + +cond_true: ; preds = %entry + %tmp14 = icmp slt i32 %tmp13, 0 ; <i1> [#uses=1] + %tmp14.upgrd.4 = zext i1 %tmp14 to i32 ; <i32> [#uses=1] + br label %return + +cond_false: ; preds = %entry + %tmp26 = icmp sgt i32 %tmp13, 0 ; <i1> [#uses=1] + %tmp26.upgrd.5 = zext i1 %tmp26 to i32 ; <i32> [#uses=1] + br label %return + +return: ; preds = %cond_false, %cond_true + %retval.0 = phi i32 [ %tmp14.upgrd.4, %cond_true ], [ %tmp26.upgrd.5, %cond_false ] ; <i32> [#uses=1] + ret i32 %retval.0 +} + +declare i32 @determinant(i64, i64, i64) |