| ; RUN: llc < %s -mtriple=aarch64-linux-gnuabi -O2 | FileCheck %s |
| |
| ; The following cases are for i16 |
| |
| %struct.s_signed_i16 = type { i16, i16, i16 } |
| %struct.s_unsigned_i16 = type { i16, i16, i16 } |
| |
| @cost_s_i8_i16 = common global %struct.s_signed_i16 zeroinitializer, align 2 |
| @cost_u_i16 = common global %struct.s_unsigned_i16 zeroinitializer, align 2 |
| |
| define void @test_i16_2cmp_signed_1() { |
| ; CHECK-LABEL: test_i16_2cmp_signed_1 |
| ; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}} |
| ; CHECK-NEXT: b.lt |
| ; CHECK-NOT: cmp |
| ; CHECK: ret |
| entry: |
| %0 = load i16, i16* getelementptr inbounds (%struct.s_signed_i16, %struct.s_signed_i16* @cost_s_i8_i16, i64 0, i32 1), align 2 |
| %1 = load i16, i16* getelementptr inbounds (%struct.s_signed_i16, %struct.s_signed_i16* @cost_s_i8_i16, i64 0, i32 2), align 2 |
| %cmp = icmp sgt i16 %0, %1 |
| br i1 %cmp, label %if.then, label %if.else |
| |
| if.then: ; preds = %entry |
| store i16 %0, i16* getelementptr inbounds (%struct.s_signed_i16, %struct.s_signed_i16* @cost_s_i8_i16, i64 0, i32 0), align 2 |
| br label %if.end8 |
| |
| if.else: ; preds = %entry |
| %cmp5 = icmp eq i16 %0, %1 |
| br i1 %cmp5, label %if.then7, label %if.end8 |
| |
| if.then7: ; preds = %if.else |
| store i16 %0, i16* getelementptr inbounds (%struct.s_signed_i16, %struct.s_signed_i16* @cost_s_i8_i16, i64 0, i32 0), align 2 |
| br label %if.end8 |
| |
| if.end8: ; preds = %if.else, %if.then7, %if.then |
| ret void |
| } |
| |
| define void @test_i16_2cmp_signed_2() { |
| ; CHECK-LABEL: test_i16_2cmp_signed_2 |
| ; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}} |
| ; CHECK-NEXT: b.gt |
| ; CHECK-NOT: cmp |
| ; CHECK: b.ge |
| entry: |
| %0 = load i16, i16* getelementptr inbounds (%struct.s_signed_i16, %struct.s_signed_i16* @cost_s_i8_i16, i64 0, i32 1), align 2 |
| %1 = load i16, i16* getelementptr inbounds (%struct.s_signed_i16, %struct.s_signed_i16* @cost_s_i8_i16, i64 0, i32 2), align 2 |
| %cmp = icmp sgt i16 %0, %1 |
| br i1 %cmp, label %if.then, label %if.else |
| |
| if.then: ; preds = %entry |
| store i16 %0, i16* getelementptr inbounds (%struct.s_signed_i16, %struct.s_signed_i16* @cost_s_i8_i16, i64 0, i32 0), align 2 |
| br label %if.end8 |
| |
| if.else: ; preds = %entry |
| %cmp5 = icmp slt i16 %0, %1 |
| br i1 %cmp5, label %if.then7, label %if.end8 |
| |
| if.then7: ; preds = %if.else |
| store i16 %1, i16* getelementptr inbounds (%struct.s_signed_i16, %struct.s_signed_i16* @cost_s_i8_i16, i64 0, i32 0), align 2 |
| br label %if.end8 |
| |
| if.end8: ; preds = %if.else, %if.then7, %if.then |
| ret void |
| } |
| |
| define void @test_i16_2cmp_unsigned_1() { |
| ; CHECK-LABEL: test_i16_2cmp_unsigned_1 |
| ; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}} |
| ; CHECK-NEXT: b.lo |
| ; CHECK-NOT: cmp |
| ; CHECK: ret |
| entry: |
| %0 = load i16, i16* getelementptr inbounds (%struct.s_unsigned_i16, %struct.s_unsigned_i16* @cost_u_i16, i64 0, i32 1), align 2 |
| %1 = load i16, i16* getelementptr inbounds (%struct.s_unsigned_i16, %struct.s_unsigned_i16* @cost_u_i16, i64 0, i32 2), align 2 |
| %cmp = icmp ugt i16 %0, %1 |
| br i1 %cmp, label %if.then, label %if.else |
| |
| if.then: ; preds = %entry |
| store i16 %0, i16* getelementptr inbounds (%struct.s_unsigned_i16, %struct.s_unsigned_i16* @cost_u_i16, i64 0, i32 0), align 2 |
| br label %if.end8 |
| |
| if.else: ; preds = %entry |
| %cmp5 = icmp eq i16 %0, %1 |
| br i1 %cmp5, label %if.then7, label %if.end8 |
| |
| if.then7: ; preds = %if.else |
| store i16 %0, i16* getelementptr inbounds (%struct.s_unsigned_i16, %struct.s_unsigned_i16* @cost_u_i16, i64 0, i32 0), align 2 |
| br label %if.end8 |
| |
| if.end8: ; preds = %if.else, %if.then7, %if.then |
| ret void |
| } |
| |
| define void @test_i16_2cmp_unsigned_2() { |
| ; CHECK-LABEL: test_i16_2cmp_unsigned_2 |
| ; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}} |
| ; CHECK-NEXT: b.hi |
| ; CHECK-NOT: cmp |
| ; CHECK: b.hs |
| entry: |
| %0 = load i16, i16* getelementptr inbounds (%struct.s_unsigned_i16, %struct.s_unsigned_i16* @cost_u_i16, i64 0, i32 1), align 2 |
| %1 = load i16, i16* getelementptr inbounds (%struct.s_unsigned_i16, %struct.s_unsigned_i16* @cost_u_i16, i64 0, i32 2), align 2 |
| %cmp = icmp ugt i16 %0, %1 |
| br i1 %cmp, label %if.then, label %if.else |
| |
| if.then: ; preds = %entry |
| store i16 %0, i16* getelementptr inbounds (%struct.s_unsigned_i16, %struct.s_unsigned_i16* @cost_u_i16, i64 0, i32 0), align 2 |
| br label %if.end8 |
| |
| if.else: ; preds = %entry |
| %cmp5 = icmp ult i16 %0, %1 |
| br i1 %cmp5, label %if.then7, label %if.end8 |
| |
| if.then7: ; preds = %if.else |
| store i16 %1, i16* getelementptr inbounds (%struct.s_unsigned_i16, %struct.s_unsigned_i16* @cost_u_i16, i64 0, i32 0), align 2 |
| br label %if.end8 |
| |
| if.end8: ; preds = %if.else, %if.then7, %if.then |
| ret void |
| } |
| |
| ; The following cases are for i8 |
| |
| %struct.s_signed_i8 = type { i8, i8, i8 } |
| %struct.s_unsigned_i8 = type { i8, i8, i8 } |
| |
| @cost_s = common global %struct.s_signed_i8 zeroinitializer, align 2 |
| @cost_u_i8 = common global %struct.s_unsigned_i8 zeroinitializer, align 2 |
| |
| |
| define void @test_i8_2cmp_signed_1() { |
| ; CHECK-LABEL: test_i8_2cmp_signed_1 |
| ; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}} |
| ; CHECK-NEXT: b.lt |
| ; CHECK-NOT: cmp |
| ; CHECK: ret |
| entry: |
| %0 = load i8, i8* getelementptr inbounds (%struct.s_signed_i8, %struct.s_signed_i8* @cost_s, i64 0, i32 1), align 2 |
| %1 = load i8, i8* getelementptr inbounds (%struct.s_signed_i8, %struct.s_signed_i8* @cost_s, i64 0, i32 2), align 2 |
| %cmp = icmp sgt i8 %0, %1 |
| br i1 %cmp, label %if.then, label %if.else |
| |
| if.then: ; preds = %entry |
| store i8 %0, i8* getelementptr inbounds (%struct.s_signed_i8, %struct.s_signed_i8* @cost_s, i64 0, i32 0), align 2 |
| br label %if.end8 |
| |
| if.else: ; preds = %entry |
| %cmp5 = icmp eq i8 %0, %1 |
| br i1 %cmp5, label %if.then7, label %if.end8 |
| |
| if.then7: ; preds = %if.else |
| store i8 %0, i8* getelementptr inbounds (%struct.s_signed_i8, %struct.s_signed_i8* @cost_s, i64 0, i32 0), align 2 |
| br label %if.end8 |
| |
| if.end8: ; preds = %if.else, %if.then7, %if.then |
| ret void |
| } |
| |
| define void @test_i8_2cmp_signed_2() { |
| ; CHECK-LABEL: test_i8_2cmp_signed_2 |
| ; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}} |
| ; CHECK-NEXT: b.gt |
| ; CHECK-NOT: cmp |
| ; CHECK: b.ge |
| entry: |
| %0 = load i8, i8* getelementptr inbounds (%struct.s_signed_i8, %struct.s_signed_i8* @cost_s, i64 0, i32 1), align 2 |
| %1 = load i8, i8* getelementptr inbounds (%struct.s_signed_i8, %struct.s_signed_i8* @cost_s, i64 0, i32 2), align 2 |
| %cmp = icmp sgt i8 %0, %1 |
| br i1 %cmp, label %if.then, label %if.else |
| |
| if.then: ; preds = %entry |
| store i8 %0, i8* getelementptr inbounds (%struct.s_signed_i8, %struct.s_signed_i8* @cost_s, i64 0, i32 0), align 2 |
| br label %if.end8 |
| |
| if.else: ; preds = %entry |
| %cmp5 = icmp slt i8 %0, %1 |
| br i1 %cmp5, label %if.then7, label %if.end8 |
| |
| if.then7: ; preds = %if.else |
| store i8 %1, i8* getelementptr inbounds (%struct.s_signed_i8, %struct.s_signed_i8* @cost_s, i64 0, i32 0), align 2 |
| br label %if.end8 |
| |
| if.end8: ; preds = %if.else, %if.then7, %if.then |
| ret void |
| } |
| |
| define void @test_i8_2cmp_unsigned_1() { |
| ; CHECK-LABEL: test_i8_2cmp_unsigned_1 |
| ; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}} |
| ; CHECK-NEXT: b.lo |
| ; CHECK-NOT: cmp |
| ; CHECK: ret |
| entry: |
| %0 = load i8, i8* getelementptr inbounds (%struct.s_unsigned_i8, %struct.s_unsigned_i8* @cost_u_i8, i64 0, i32 1), align 2 |
| %1 = load i8, i8* getelementptr inbounds (%struct.s_unsigned_i8, %struct.s_unsigned_i8* @cost_u_i8, i64 0, i32 2), align 2 |
| %cmp = icmp ugt i8 %0, %1 |
| br i1 %cmp, label %if.then, label %if.else |
| |
| if.then: ; preds = %entry |
| store i8 %0, i8* getelementptr inbounds (%struct.s_unsigned_i8, %struct.s_unsigned_i8* @cost_u_i8, i64 0, i32 0), align 2 |
| br label %if.end8 |
| |
| if.else: ; preds = %entry |
| %cmp5 = icmp eq i8 %0, %1 |
| br i1 %cmp5, label %if.then7, label %if.end8 |
| |
| if.then7: ; preds = %if.else |
| store i8 %0, i8* getelementptr inbounds (%struct.s_unsigned_i8, %struct.s_unsigned_i8* @cost_u_i8, i64 0, i32 0), align 2 |
| br label %if.end8 |
| |
| if.end8: ; preds = %if.else, %if.then7, %if.then |
| ret void |
| } |
| |
| define void @test_i8_2cmp_unsigned_2() { |
| ; CHECK-LABEL: test_i8_2cmp_unsigned_2 |
| ; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}} |
| ; CHECK-NEXT: b.hi |
| ; CHECK-NOT: cmp |
| ; CHECK: b.hs |
| entry: |
| %0 = load i8, i8* getelementptr inbounds (%struct.s_unsigned_i8, %struct.s_unsigned_i8* @cost_u_i8, i64 0, i32 1), align 2 |
| %1 = load i8, i8* getelementptr inbounds (%struct.s_unsigned_i8, %struct.s_unsigned_i8* @cost_u_i8, i64 0, i32 2), align 2 |
| %cmp = icmp ugt i8 %0, %1 |
| br i1 %cmp, label %if.then, label %if.else |
| |
| if.then: ; preds = %entry |
| store i8 %0, i8* getelementptr inbounds (%struct.s_unsigned_i8, %struct.s_unsigned_i8* @cost_u_i8, i64 0, i32 0), align 2 |
| br label %if.end8 |
| |
| if.else: ; preds = %entry |
| %cmp5 = icmp ult i8 %0, %1 |
| br i1 %cmp5, label %if.then7, label %if.end8 |
| |
| if.then7: ; preds = %if.else |
| store i8 %1, i8* getelementptr inbounds (%struct.s_unsigned_i8, %struct.s_unsigned_i8* @cost_u_i8, i64 0, i32 0), align 2 |
| br label %if.end8 |
| |
| if.end8: ; preds = %if.else, %if.then7, %if.then |
| ret void |
| } |
| |
| ; Make sure the case below won't crash. |
| |
| ; The optimization of ZERO_EXTEND and SIGN_EXTEND in type legalization stage can't assert |
| ; the operand of a set_cc is always a TRUNCATE. |
| |
| define i1 @foo(float %inl, float %inr) { |
| %lval = fptosi float %inl to i8 |
| %rval = fptosi float %inr to i8 |
| %sum = icmp eq i8 %lval, %rval |
| ret i1 %sum |
| } |
