[ARM] When a bitcast is about to be turned into a VMOVDRR, try to combine it

[oota-llvm.git] / test / CodeGen / ARM / 2007-05-22-tailmerge-3.ll

diff --git a/test/CodeGen/ARM/2007-05-22-tailmerge-3.ll b/test/CodeGen/ARM/2007-05-22-tailmerge-3.ll
index 9df5af59a79fa2bccc6b731ec78de58951d3c187..52cc37e2408453ee85d37deac39741613ccb20ef 100644 (file)
--- a/test/CodeGen/ARM/2007-05-22-tailmerge-3.ll
+++ b/test/CodeGen/ARM/2007-05-22-tailmerge-3.ll
@@ -1,10 +1,23 @@
-; RUN: llc < %s -march=arm | grep bl.*baz | count 1
-; RUN: llc < %s -march=arm | grep bl.*quux | count 1
-; RUN: llc < %s -march=arm -enable-tail-merge=0 | grep bl.*baz | count 2
-; RUN: llc < %s -march=arm -enable-tail-merge=0 | grep bl.*quux | count 2
-; Check that tail merging is the default on ARM, and that -enable-tail-merge=0 works.
+; RUN: llc < %s -march=arm | FileCheck %s
+; RUN: llc < %s -march=arm -enable-tail-merge=0 | \
+; RUN:   FileCheck --check-prefix=NOMERGE %s
+
+; Check that tail merging is the default on ARM, and that -enable-tail-merge=0
+; works.
 ; PR1628
 
+; CHECK: bl _baz
+; CHECK-NOT: bl _baz
+
+; CHECK: bl _quux
+; CHECK-NOT: bl _quux
+
+; NOMERGE: bl _baz
+; NOMERGE: bl _baz
+
+; NOMERGE: bl _quux
+; NOMERGE: bl _quux
+
 ; ModuleID = 'tail.c'
 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"
 target triple = "i686-apple-darwin8"
@@ -14,49 +27,48 @@ entry:
        %i_addr = alloca i32            ; <i32*> [#uses=2]
        %q_addr = alloca i32            ; <i32*> [#uses=2]
        %retval = alloca i32, align 4           ; <i32*> [#uses=1]
-       "alloca point" = bitcast i32 0 to i32           ; <i32> [#uses=0]
        store i32 %i, i32* %i_addr
        store i32 %q, i32* %q_addr
-       %tmp = load i32* %i_addr                ; <i32> [#uses=1]
+       %tmp = load i32, i32* %i_addr           ; <i32> [#uses=1]
        %tmp1 = icmp ne i32 %tmp, 0             ; <i1> [#uses=1]
        %tmp12 = zext i1 %tmp1 to i8            ; <i8> [#uses=1]
        %toBool = icmp ne i8 %tmp12, 0          ; <i1> [#uses=1]
        br i1 %toBool, label %cond_true, label %cond_false
 
 cond_true:             ; preds = %entry
-       %tmp3 = call i32 (...)* @bar( )         ; <i32> [#uses=0]
-       %tmp4 = call i32 (...)* @baz( i32 5, i32 6 )            ; <i32> [#uses=0]
-       %tmp7 = load i32* %q_addr               ; <i32> [#uses=1]
+       %tmp3 = call i32 (...) @bar( )          ; <i32> [#uses=0]
+       %tmp4 = call i32 (...) @baz( i32 5, i32 6 )             ; <i32> [#uses=0]
+       %tmp7 = load i32, i32* %q_addr          ; <i32> [#uses=1]
        %tmp8 = icmp ne i32 %tmp7, 0            ; <i1> [#uses=1]
        %tmp89 = zext i1 %tmp8 to i8            ; <i8> [#uses=1]
        %toBool10 = icmp ne i8 %tmp89, 0                ; <i1> [#uses=1]
        br i1 %toBool10, label %cond_true11, label %cond_false15
 
 cond_false:            ; preds = %entry
-       %tmp5 = call i32 (...)* @foo( )         ; <i32> [#uses=0]
-       %tmp6 = call i32 (...)* @baz( i32 5, i32 6 )            ; <i32> [#uses=0]
-       %tmp27 = load i32* %q_addr              ; <i32> [#uses=1]
+       %tmp5 = call i32 (...) @foo( )          ; <i32> [#uses=0]
+       %tmp6 = call i32 (...) @baz( i32 5, i32 6 )             ; <i32> [#uses=0]
+       %tmp27 = load i32, i32* %q_addr         ; <i32> [#uses=1]
        %tmp28 = icmp ne i32 %tmp27, 0          ; <i1> [#uses=1]
        %tmp289 = zext i1 %tmp28 to i8          ; <i8> [#uses=1]
        %toBool210 = icmp ne i8 %tmp289, 0              ; <i1> [#uses=1]
        br i1 %toBool210, label %cond_true11, label %cond_false15
 
 cond_true11:           ; preds = %cond_next
-       %tmp13 = call i32 (...)* @foo( )                ; <i32> [#uses=0]
-       %tmp14 = call i32 (...)* @quux( i32 3, i32 4 )          ; <i32> [#uses=0]
+       %tmp13 = call i32 (...) @foo( )         ; <i32> [#uses=0]
+       %tmp14 = call i32 (...) @quux( i32 3, i32 4 )           ; <i32> [#uses=0]
        br label %cond_next18
 
 cond_false15:          ; preds = %cond_next
-       %tmp16 = call i32 (...)* @bar( )                ; <i32> [#uses=0]
-       %tmp17 = call i32 (...)* @quux( i32 3, i32 4 )          ; <i32> [#uses=0]
+       %tmp16 = call i32 (...) @bar( )         ; <i32> [#uses=0]
+       %tmp17 = call i32 (...) @quux( i32 3, i32 4 )           ; <i32> [#uses=0]
        br label %cond_next18
 
 cond_next18:           ; preds = %cond_false15, %cond_true11
-       %tmp19 = call i32 (...)* @bar( )                ; <i32> [#uses=0]
+       %tmp19 = call i32 (...) @bar( )         ; <i32> [#uses=0]
        br label %return
 
 return:                ; preds = %cond_next18
-       %retval20 = load i32* %retval           ; <i32> [#uses=1]
+       %retval20 = load i32, i32* %retval              ; <i32> [#uses=1]
        ret i32 %retval20
 }