AArch64: skip select/setcc combine in complex case.

[oota-llvm.git] / test / CodeGen / AArch64 / cond-sel.ll

diff --git a/test/CodeGen/AArch64/cond-sel.ll b/test/CodeGen/AArch64/cond-sel.ll
index 48c50a134bf388afb8e4d49ad6a7f9f32916b8f3..333f24361336b79dd40a5a050d514d081b58aeb9 100644 (file)
--- a/test/CodeGen/AArch64/cond-sel.ll
+++ b/test/CodeGen/AArch64/cond-sel.ll
@@ -1,24 +1,25 @@
-; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu | FileCheck %s
+; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu -mcpu=cyclone | FileCheck %s --check-prefix=CHECK
+; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu -mattr=-fp-armv8 | FileCheck --check-prefix=CHECK-NOFP %s
 
 @var32 = global i32 0
 @var64 = global i64 0
 
-define void @test_csel(i32 %lhs32, i32 %rhs32, i64 %lhs64) {
+define void @test_csel(i32 %lhs32, i32 %rhs32, i64 %lhs64) minsize {
 ; CHECK-LABEL: test_csel:
 
   %tst1 = icmp ugt i32 %lhs32, %rhs32
   %val1 = select i1 %tst1, i32 42, i32 52
   store i32 %val1, i32* @var32
-; CHECK: movz [[W52:w[0-9]+]], #52
-; CHECK: movz [[W42:w[0-9]+]], #42
+; CHECK-DAG: movz [[W52:w[0-9]+]], #{{52|0x34}}
+; CHECK-DAG: movz [[W42:w[0-9]+]], #{{42|0x2a}}
 ; CHECK: csel {{w[0-9]+}}, [[W42]], [[W52]], hi
 
   %rhs64 = sext i32 %rhs32 to i64
   %tst2 = icmp sle i64 %lhs64, %rhs64
   %val2 = select i1 %tst2, i64 %lhs64, i64 %rhs64
   store i64 %val2, i64* @var64
-; CHECK: cmp [[LHS:x[0-9]+]], [[RHS:w[0-9]+]], sxtw
-; CHECK: sxtw [[EXT_RHS:x[0-9]+]], [[RHS]]
+; CHECK: sxtw [[EXT_RHS:x[0-9]+]], {{[wx]}}[[RHS:[0-9]+]]
+; CHECK: cmp [[LHS:x[0-9]+]], w[[RHS]], sxtw
 ; CHECK: csel {{x[0-9]+}}, [[LHS]], [[EXT_RHS]], le
 
   ret void
@@ -30,29 +31,31 @@ define void @test_floatcsel(float %lhs32, float %rhs32, double %lhs64, double %r
 
   %tst1 = fcmp one float %lhs32, %rhs32
 ; CHECK: fcmp {{s[0-9]+}}, {{s[0-9]+}}
+; CHECK-NOFP-NOT: fcmp
   %val1 = select i1 %tst1, i32 42, i32 52
   store i32 %val1, i32* @var32
-; CHECK: movz [[W52:w[0-9]+]], #52
-; CHECK: movz [[W42:w[0-9]+]], #42
+; CHECK: movz [[W52:w[0-9]+]], #{{52|0x34}}
+; CHECK: movz [[W42:w[0-9]+]], #{{42|0x2a}}
 ; CHECK: csel [[MAYBETRUE:w[0-9]+]], [[W42]], [[W52]], mi
 ; CHECK: csel {{w[0-9]+}}, [[W42]], [[MAYBETRUE]], gt
 
 
   %tst2 = fcmp ueq double %lhs64, %rhs64
 ; CHECK: fcmp {{d[0-9]+}}, {{d[0-9]+}}
+; CHECK-NOFP-NOT: fcmp
   %val2 = select i1 %tst2, i64 9, i64 15
   store i64 %val2, i64* @var64
-; CHECK: movz [[CONST15:x[0-9]+]], #15
-; CHECK: movz [[CONST9:x[0-9]+]], #9
-; CHECK: csel [[MAYBETRUE:x[0-9]+]], [[CONST9]], [[CONST15]], eq
-; CHECK: csel {{x[0-9]+}}, [[CONST9]], [[MAYBETRUE]], vs
+; CHECK: orr w[[CONST15:[0-9]+]], wzr, #0xf
+; CHECK: movz {{[wx]}}[[CONST9:[0-9]+]], #{{9|0x9}}
+; CHECK: csel [[MAYBETRUE:x[0-9]+]], x[[CONST9]], x[[CONST15]], eq
+; CHECK: csel {{x[0-9]+}}, x[[CONST9]], [[MAYBETRUE]], vs
 
   ret void
 ; CHECK: ret
 }
 
 
-define void @test_csinc(i32 %lhs32, i32 %rhs32, i64 %lhs64) {
+define void @test_csinc(i32 %lhs32, i32 %rhs32, i64 %lhs64) minsize {
 ; CHECK-LABEL: test_csinc:
 
 ; Note that commuting rhs and lhs in the select changes ugt to ule (i.e. hi to ls).
@@ -92,7 +95,7 @@ define void @test_csinc(i32 %lhs32, i32 %rhs32, i64 %lhs64) {
 ; CHECK: ret
 }
 
-define void @test_csinv(i32 %lhs32, i32 %rhs32, i64 %lhs64) {
+define void @test_csinv(i32 %lhs32, i32 %rhs32, i64 %lhs64) minsize {
 ; CHECK-LABEL: test_csinv:
 
 ; Note that commuting rhs and lhs in the select changes ugt to ule (i.e. hi to ls).
@@ -132,7 +135,7 @@ define void @test_csinv(i32 %lhs32, i32 %rhs32, i64 %lhs64) {
 ; CHECK: ret
 }
 
-define void @test_csneg(i32 %lhs32, i32 %rhs32, i64 %lhs64) {
+define void @test_csneg(i32 %lhs32, i32 %rhs32, i64 %lhs64) minsize {
 ; CHECK-LABEL: test_csneg:
 
 ; Note that commuting rhs and lhs in the select changes ugt to ule (i.e. hi to ls).
@@ -181,13 +184,13 @@ define void @test_cset(i32 %lhs, i32 %rhs, i64 %lhs64) {
   %val1 = zext i1 %tst1 to i32
   store i32 %val1, i32* @var32
 ; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}}
-; CHECK: csinc {{w[0-9]+}}, wzr, wzr, ne
+; CHECK: cset {{w[0-9]+}}, eq
 
   %rhs64 = sext i32 %rhs to i64
   %tst2 = icmp ule i64 %lhs64, %rhs64
   %val2 = zext i1 %tst2 to i64
   store i64 %val2, i64* @var64
-; CHECK: csinc {{w[0-9]+}}, wzr, wzr, hi
+; CHECK: cset {{w[0-9]+}}, ls
 
   ret void
 ; CHECK: ret
@@ -200,14 +203,24 @@ define void @test_csetm(i32 %lhs, i32 %rhs, i64 %lhs64) {
   %val1 = sext i1 %tst1 to i32
   store i32 %val1, i32* @var32
 ; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}}
-; CHECK: csinv {{w[0-9]+}}, wzr, wzr, ne
+; CHECK: csetm {{w[0-9]+}}, eq
 
   %rhs64 = sext i32 %rhs to i64
   %tst2 = icmp ule i64 %lhs64, %rhs64
   %val2 = sext i1 %tst2 to i64
   store i64 %val2, i64* @var64
-; CHECK: csinv {{x[0-9]+}}, xzr, xzr, hi
+; CHECK: csetm {{x[0-9]+}}, ls
 
   ret void
 ; CHECK: ret
 }
+
+define <1 x i1> @test_wide_comparison(i32 %in) {
+; CHECK-LABEL: test_wide_comparison:
+; CHECK: cmp w0, #1234
+; CHECK: cset
+
+  %tmp = icmp sgt i32 %in, 1234
+  %res = select i1 %tmp, <1 x i1> <i1 1>, <1 x i1> zeroinitializer
+  ret <1 x i1> %res
+}