[x86] Fix disassembly of callw instruction

[oota-llvm.git] / test / Transforms / InstCombine / cast-set.ll

diff --git a/test/Transforms/InstCombine/cast-set.ll b/test/Transforms/InstCombine/cast-set.ll
index 1e4b537c25781d7ae6865e92ca4977708d8cdccd..893440424c4c9a633385a85207e3b0183794616a 100644 (file)
--- a/test/Transforms/InstCombine/cast-set.ll
+++ b/test/Transforms/InstCombine/cast-set.ll
@@ -1,61 +1,65 @@
-; I'm not really sure if instcombine should do things like these.  LevelRaise 
-; already sufficiently takes care of these cases, but level raise is really
-; slow.  Might it be better to make there be an instcombine prepass before
-; level raise that takes care of the obvious stuff?
+; This tests for various complex cast elimination cases instcombine should
+; handle.
 
-; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep cast
+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"
 
-bool %test1(int %X) {
-       %A = cast int %X to uint
-       %c = setne uint %A, 12        ; Convert to setne int %X, 12
-       ret bool %c
-}
+; RUN: opt < %s -instcombine -S | FileCheck %s
 
-bool %test2(int %X, int %Y) {
-       %A = cast int %X to uint
-       %B = cast int %Y to uint
-       %c = setne uint %A, %B       ; Convert to setne int %X, %Y
-       ret bool %c
+define i1 @test1(i32 %X) {
+        %A = bitcast i32 %X to i32              ; <i32> [#uses=1]
+        ; Convert to setne int %X, 12
+        %c = icmp ne i32 %A, 12         ; <i1> [#uses=1]
+        ret i1 %c
+; CHECK: %c = icmp ne i32 %X, 12
+; CHECK: ret i1 %c
 }
 
-bool %test3(int %A, int %B) {
-        %cond216 = setlt int %A, %B             ; <bool> [#uses=1]
-        %cst109 = cast bool %cond216 to uint           ; <uint> [#uses=1]
-        %cond219 = setgt int %A, %B             ; <bool> [#uses=1]
-        %cst111 = cast bool %cond219 to uint           ; <uint> [#uses=1]
-        %reg113 = and uint %cst109, %cst111           ; <uint> [#uses=1]
-        %cst222 = cast uint %reg113 to bool             ; <int> [#uses=1]
-        ret bool %cst222
+define i1 @test2(i32 %X, i32 %Y) {
+        %A = bitcast i32 %X to i32              ; <i32> [#uses=1]
+        %B = bitcast i32 %Y to i32              ; <i32> [#uses=1]
+        ; Convert to setne int %X, %Y
+        %c = icmp ne i32 %A, %B         ; <i1> [#uses=1]
+        ret i1 %c
+; CHECK: %c = icmp ne i32 %X, %Y
+; CHECK: ret i1 %c
 }
 
-int %test4(int %A) {
-       %B = cast int %A to uint
-       %C = shl uint %B, ubyte 2
-       %D = cast uint %C to int
-       ret int %D
+define i32 @test4(i32 %A) {
+        %B = bitcast i32 %A to i32              ; <i32> [#uses=1]
+        %C = shl i32 %B, 2              ; <i32> [#uses=1]
+        %D = bitcast i32 %C to i32              ; <i32> [#uses=1]
+        ret i32 %D
+; CHECK: %C = shl i32 %A, 2
+; CHECK: ret i32 %C
 }
 
-short %test5(short %A) {
-       %B = cast short %A to uint
-       %C = and uint %B, 15
-       %D = cast uint %C to short
-       ret short %D
+define i16 @test5(i16 %A) {
+        %B = sext i16 %A to i32         ; <i32> [#uses=1]
+        %C = and i32 %B, 15             ; <i32> [#uses=1]
+        %D = trunc i32 %C to i16                ; <i16> [#uses=1]
+        ret i16 %D
+; CHECK: %C = and i16 %A, 15
+; CHECK: ret i16 %C
 }
 
-bool %test6(bool %A) {
-       %B = cast bool %A to int
-       %C = setne int %B, 0
-       ret bool %C
+define i1 @test6(i1 %A) {
+        %B = zext i1 %A to i32          ; <i32> [#uses=1]
+        %C = icmp ne i32 %B, 0          ; <i1> [#uses=1]
+        ret i1 %C
+; CHECK: ret i1 %A
 }
 
-bool %test6a(bool %A) {
-       %B = cast bool %A to int
-       %C = setne int %B, -1    ; Always true!
-       ret bool %C
+define i1 @test6a(i1 %A) {
+        %B = zext i1 %A to i32          ; <i32> [#uses=1]
+        %C = icmp ne i32 %B, -1         ; <i1> [#uses=1]
+        ret i1 %C
+; CHECK: ret i1 true
 }
 
-bool %test7(sbyte* %A) {
-       %B = cast sbyte* %A to int*
-       %C = seteq int* %B, null
-       ret bool %C
+define i1 @test7(i8* %A) {
+        %B = bitcast i8* %A to i32*             ; <i32*> [#uses=1]
+        %C = icmp eq i32* %B, null              ; <i1> [#uses=1]
+        ret i1 %C
+; CHECK: %C = icmp eq i8* %A, null
+; CHECK: ret i1 %C
 }