1 ; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -show-mc-encoding | FileCheck %s 2 3 define i32 @test1(i32 %X, i32* %y) nounwind { 4 %tmp = load i32* %y ; <i32> [#uses=1] 5 %tmp.upgrd.1 = icmp eq i32 %tmp, 0 ; <i1> [#uses=1] 6 br i1 %tmp.upgrd.1, label %ReturnBlock, label %cond_true 7 8 cond_true: ; preds = %0 9 ret i32 1 10 11 ReturnBlock: ; preds = %0 12 ret i32 0 13 ; CHECK: test1: 14 ; CHECK: cmpl $0, (%rsi) 15 } 16 17 define i32 @test2(i32 %X, i32* %y) nounwind { 18 %tmp = load i32* %y ; <i32> [#uses=1] 19 %tmp1 = shl i32 %tmp, 3 ; <i32> [#uses=1] 20 %tmp1.upgrd.2 = icmp eq i32 %tmp1, 0 ; <i1> [#uses=1] 21 br i1 %tmp1.upgrd.2, label %ReturnBlock, label %cond_true 22 23 cond_true: ; preds = %0 24 ret i32 1 25 26 ReturnBlock: ; preds = %0 27 ret i32 0 28 ; CHECK: test2: 29 ; CHECK: movl (%rsi), %eax 30 ; CHECK: shll $3, %eax 31 ; CHECK: testl %eax, %eax 32 } 33 34 define i64 @test3(i64 %x) nounwind { 35 %t = icmp eq i64 %x, 0 36 %r = zext i1 %t to i64 37 ret i64 %r 38 ; CHECK: test3: 39 ; CHECK: testq %rdi, %rdi 40 ; CHECK: sete %al 41 ; CHECK: movzbl %al, %eax 42 ; CHECK: ret 43 } 44 45 define i64 @test4(i64 %x) nounwind { 46 %t = icmp slt i64 %x, 1 47 %r = zext i1 %t to i64 48 ret i64 %r 49 ; CHECK: test4: 50 ; CHECK: testq %rdi, %rdi 51 ; CHECK: setle %al 52 ; CHECK: movzbl %al, %eax 53 ; CHECK: ret 54 } 55 56 57 define i32 @test5(double %A) nounwind { 58 entry: 59 %tmp2 = fcmp ogt double %A, 1.500000e+02; <i1> [#uses=1] 60 %tmp5 = fcmp ult double %A, 7.500000e+01; <i1> [#uses=1] 61 %bothcond = or i1 %tmp2, %tmp5; <i1> [#uses=1] 62 br i1 %bothcond, label %bb8, label %bb12 63 64 bb8:; preds = %entry 65 %tmp9 = tail call i32 (...)* @foo( ) nounwind ; <i32> [#uses=1] 66 ret i32 %tmp9 67 68 bb12:; preds = %entry 69 ret i32 32 70 ; CHECK: test5: 71 ; CHECK: ucomisd LCPI4_0(%rip), %xmm0 72 ; CHECK: ucomisd LCPI4_1(%rip), %xmm0 73 } 74 75 declare i32 @foo(...) 76 77 define i32 @test6() nounwind align 2 { 78 %A = alloca {i64, i64}, align 8 79 %B = getelementptr inbounds {i64, i64}* %A, i64 0, i32 1 80 %C = load i64* %B 81 %D = icmp eq i64 %C, 0 82 br i1 %D, label %T, label %F 83 T: 84 ret i32 1 85 86 F: 87 ret i32 0 88 ; CHECK: test6: 89 ; CHECK: cmpq $0, -8(%rsp) 90 ; CHECK: encoding: [0x48,0x83,0x7c,0x24,0xf8,0x00] 91 } 92 93
