Move resetTargetOptions from taking a MachineFunction to a Function

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

diff --git a/test/Transforms/InstCombine/trunc.ll b/test/Transforms/InstCombine/trunc.ll
index f98bfd9236cd092a60f29a7d9f064d1e1cb7aef6..ee81cf8c3c5d87e18db375a829d55c73a461d9cf 100644 (file)
--- a/test/Transforms/InstCombine/trunc.ll
+++ b/test/Transforms/InstCombine/trunc.ll
@@ -11,9 +11,9 @@ define i64 @test1(i64 %a) {
   %d = zext i32 %c to i64
   call void @use(i32 %b)
   ret i64 %d
-; CHECK: @test1
-; CHECK: %d = and i64 %a, 15
-; CHECK: ret i64 %d
+; CHECK-LABEL: @test1(
+; CHECK-NOT: ext
+; CHECK: ret
 }
 define i64 @test2(i64 %a) {
   %b = trunc i64 %a to i32
@@ -22,9 +22,9 @@ define i64 @test2(i64 %a) {
   %d = sext i32 %q to i64
   call void @use(i32 %b)
   ret i64 %d
-; CHECK: @test2
+; CHECK-LABEL: @test2(
 ; CHECK: shl i64 %a, 36
-; CHECK: %d = ashr i64 {{.*}}, 36
+; CHECK: %d = ashr exact i64 {{.*}}, 36
 ; CHECK: ret i64 %d
 }
 define i64 @test3(i64 %a) {
@@ -33,9 +33,9 @@ define i64 @test3(i64 %a) {
   %d = zext i32 %c to i64
   call void @use(i32 %b)
   ret i64 %d
-; CHECK: @test3
-; CHECK: %d = and i64 %a, 8
-; CHECK: ret i64 %d
+; CHECK-LABEL: @test3(
+; CHECK-NOT: ext
+; CHECK: ret
 }
 define i64 @test4(i64 %a) {
   %b = trunc i64 %a to i32
@@ -44,10 +44,11 @@ define i64 @test4(i64 %a) {
   %d = zext i32 %x to i64
   call void @use(i32 %b)
   ret i64 %d
-; CHECK: @test4
+; CHECK-LABEL: @test4(
 ; CHECK: = and i64 %a, 8
-; CHECK: %d = xor i64 {{.*}}, 8
-; CHECK: ret i64 %d
+; CHECK: = xor i64 {{.*}}, 8
+; CHECK-NOT: ext
+; CHECK: ret
 }
 
 define i32 @test5(i32 %A) {
@@ -55,7 +56,7 @@ define i32 @test5(i32 %A) {
   %C = lshr i128 %B, 16
   %D = trunc i128 %C to i32
   ret i32 %D
-; CHECK: @test5
+; CHECK-LABEL: @test5(
 ; CHECK: %C = lshr i32 %A, 16
 ; CHECK: ret i32 %C
 }
@@ -65,7 +66,7 @@ define i32 @test6(i64 %A) {
   %C = lshr i128 %B, 32
   %D = trunc i128 %C to i32
   ret i32 %D
-; CHECK: @test6
+; CHECK-LABEL: @test6(
 ; CHECK: %C = lshr i64 %A, 32
 ; CHECK: %D = trunc i64 %C to i32
 ; CHECK: ret i32 %D
@@ -76,7 +77,7 @@ define i92 @test7(i64 %A) {
   %C = lshr i128 %B, 32
   %D = trunc i128 %C to i92
   ret i92 %D
-; CHECK: @test7
+; CHECK-LABEL: @test7(
 ; CHECK: %B = zext i64 %A to i92
 ; CHECK: %C = lshr i92 %B, 32
 ; CHECK: ret i92 %C
@@ -89,11 +90,31 @@ define i64 @test8(i32 %A, i32 %B) {
   %ins35 = or i128 %tmp33, %tmp38
   %tmp42 = trunc i128 %ins35 to i64
   ret i64 %tmp42
-; CHECK: @test8
+; CHECK-LABEL: @test8(
 ; CHECK:   %tmp38 = zext i32 %A to i64
 ; CHECK:   %tmp32 = zext i32 %B to i64
-; CHECK:   %tmp33 = shl i64 %tmp32, 32
+; CHECK:   %tmp33 = shl nuw i64 %tmp32, 32
 ; CHECK:   %ins35 = or i64 %tmp33, %tmp38
 ; CHECK:   ret i64 %ins35
 }
 
+define i8 @test9(i32 %X) {
+  %Y = and i32 %X, 42
+  %Z = trunc i32 %Y to i8
+  ret i8 %Z
+; CHECK-LABEL: @test9(
+; CHECK: trunc
+; CHECK: and
+; CHECK: ret
+}
+
+; rdar://8808586
+define i8 @test10(i32 %X) {
+  %Y = trunc i32 %X to i8
+  %Z = and i8 %Y, 42
+  ret i8 %Z
+; CHECK-LABEL: @test10(
+; CHECK: trunc
+; CHECK: and
+; CHECK: ret
+}