[safestack] Add option for non-TLS unsafe stack pointer.

[oota-llvm.git] / test / Transforms / IndVarSimplify / avoid-i0.ll

diff --git a/test/Transforms/IndVarSimplify/avoid-i0.ll b/test/Transforms/IndVarSimplify/avoid-i0.ll
index 28112e75f556792b5e1ef30a5092d2f87fe6deb4..cc38590c0998e035d11e383b038b1596946036c4 100644 (file)
--- a/test/Transforms/IndVarSimplify/avoid-i0.ll
+++ b/test/Transforms/IndVarSimplify/avoid-i0.ll
@@ -1,4 +1,5 @@
-; RUN: llvm-as < %s | opt -indvars
+; RUN: opt < %s -indvars
+; PR4052
 ; PR4054
 
 ; Don't treat an and with 0 as a mask (trunc+zext).
@@ -9,15 +10,117 @@ entry:
 
 bb:            ; preds = %bb6, %entry
        %p_71_addr.0 = phi i8 [ %p_71, %entry ], [ %0, %bb6 ]           ; <i8> [#uses=0]
-       br i1 false, label %bb4, label %bb1
+       br i1 undef, label %bb4, label %bb1
 
 bb1:           ; preds = %bb
        ret i32 0
 
 bb4:           ; preds = %bb4, %bb
-       br i1 false, label %bb6, label %bb4
+       br i1 undef, label %bb6, label %bb4
 
 bb6:           ; preds = %bb4
        %0 = and i8 0, 0                ; <i8> [#uses=1]
        br label %bb
 }
+
+@x = common global i32 0               ; <i32*> [#uses=1]
+
+define signext i8 @safe_sub_func_int32_t_s_s(i32 %_si1, i8 signext %_si2) nounwind {
+entry:
+       %_si1_addr = alloca i32         ; <i32*> [#uses=3]
+       %_si2_addr = alloca i8          ; <i8*> [#uses=3]
+       %retval = alloca i32            ; <i32*> [#uses=2]
+       %0 = alloca i32         ; <i32*> [#uses=2]
+       %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
+       store i32 %_si1, i32* %_si1_addr
+       store i8 %_si2, i8* %_si2_addr
+       %1 = load i8, i8* %_si2_addr, align 1           ; <i8> [#uses=1]
+       %2 = sext i8 %1 to i32          ; <i32> [#uses=1]
+       %3 = load i32, i32* %_si1_addr, align 4         ; <i32> [#uses=1]
+       %4 = xor i32 %2, %3             ; <i32> [#uses=1]
+       %5 = load i8, i8* %_si2_addr, align 1           ; <i8> [#uses=1]
+       %6 = sext i8 %5 to i32          ; <i32> [#uses=1]
+       %7 = sub i32 7, %6              ; <i32> [#uses=1]
+       %8 = load i32, i32* %_si1_addr, align 4         ; <i32> [#uses=1]
+       %9 = shl i32 %8, %7             ; <i32> [#uses=1]
+       %10 = and i32 %4, %9            ; <i32> [#uses=1]
+       %11 = icmp slt i32 %10, 0               ; <i1> [#uses=1]
+       %12 = zext i1 %11 to i32                ; <i32> [#uses=1]
+       store i32 %12, i32* %0, align 4
+       %13 = load i32, i32* %0, align 4                ; <i32> [#uses=1]
+       store i32 %13, i32* %retval, align 4
+       br label %return
+
+return:                ; preds = %entry
+       %retval1 = load i32, i32* %retval               ; <i32> [#uses=1]
+       %retval12 = trunc i32 %retval1 to i8            ; <i8> [#uses=1]
+       ret i8 %retval12
+}
+
+define i32 @safe_sub_func_uint64_t_u_u(i32 %_ui1, i32 %_ui2) nounwind {
+entry:
+       %_ui1_addr = alloca i32         ; <i32*> [#uses=2]
+       %_ui2_addr = alloca i32         ; <i32*> [#uses=1]
+       %retval = alloca i32            ; <i32*> [#uses=2]
+       %0 = alloca i32         ; <i32*> [#uses=2]
+       %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
+       store i32 %_ui1, i32* %_ui1_addr
+       store i32 %_ui2, i32* %_ui2_addr
+       %1 = load i32, i32* %_ui1_addr, align 4         ; <i32> [#uses=1]
+       %2 = sub i32 %1, 1              ; <i32> [#uses=1]
+       store i32 %2, i32* %0, align 4
+       %3 = load i32, i32* %0, align 4         ; <i32> [#uses=1]
+       store i32 %3, i32* %retval, align 4
+       br label %return
+
+return:                ; preds = %entry
+       %retval1 = load i32, i32* %retval               ; <i32> [#uses=1]
+       ret i32 %retval1
+}
+
+define void @int87(i8 signext %p_48, i8 signext %p_49) nounwind {
+entry:
+       %p_48_addr = alloca i8          ; <i8*> [#uses=1]
+       %p_49_addr = alloca i8          ; <i8*> [#uses=1]
+       %l_52 = alloca i32              ; <i32*> [#uses=7]
+       %vol.0 = alloca i32             ; <i32*> [#uses=1]
+       %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
+       store i8 %p_48, i8* %p_48_addr
+       store i8 %p_49, i8* %p_49_addr
+       br label %bb4
+
+bb:            ; preds = %bb4
+       %0 = load volatile i32, i32* @x, align 4                ; <i32> [#uses=1]
+       store i32 %0, i32* %vol.0, align 4
+       store i32 0, i32* %l_52, align 4
+       br label %bb2
+
+bb1:           ; preds = %bb2
+       %1 = load i32, i32* %l_52, align 4              ; <i32> [#uses=1]
+       %2 = call i32 @safe_sub_func_uint64_t_u_u(i32 %1, i32 1) nounwind               ; <i32> [#uses=1]
+       store i32 %2, i32* %l_52, align 4
+       br label %bb2
+
+bb2:           ; preds = %bb1, %bb
+       %3 = load i32, i32* %l_52, align 4              ; <i32> [#uses=1]
+       %4 = icmp eq i32 %3, 0          ; <i1> [#uses=1]
+       br i1 %4, label %bb1, label %bb3
+
+bb3:           ; preds = %bb2
+       %5 = load i32, i32* %l_52, align 4              ; <i32> [#uses=1]
+       %6 = call signext i8 @safe_sub_func_int32_t_s_s(i32 %5, i8 signext 1) nounwind          ; <i8> [#uses=1]
+       %7 = sext i8 %6 to i32          ; <i32> [#uses=1]
+       store i32 %7, i32* %l_52, align 4
+       br label %bb4
+
+bb4:           ; preds = %bb3, %entry
+       %8 = load i32, i32* %l_52, align 4              ; <i32> [#uses=1]
+       %9 = icmp ne i32 %8, 0          ; <i1> [#uses=1]
+       br i1 %9, label %bb, label %bb5
+
+bb5:           ; preds = %bb4
+       br label %return
+
+return:                ; preds = %bb5
+       ret void
+}