; RUN: llc -mtriple=i686-linux-gnu %s -o - | FileCheck %s define i32 @branch_eq(i64 %a, i64 %b) { entry: %cmp = icmp eq i64 %a, %b br i1 %cmp, label %bb1, label %bb2 bb1: ret i32 1 bb2: ret i32 2 ; CHECK-LABEL: branch_eq: ; CHECK: movl 4(%esp), [[LHSLo:%[a-z]+]] ; CHECK: movl 8(%esp), [[LHSHi:%[a-z]+]] ; CHECK: xorl 16(%esp), [[LHSHi]] ; CHECK: xorl 12(%esp), [[LHSLo]] ; CHECK: orl [[LHSHi]], [[LHSLo]] ; CHECK: jne [[FALSE:.LBB[0-9_]+]] ; CHECK: movl $1, %eax ; CHECK: retl ; CHECK: [[FALSE]]: ; CHECK: movl $2, %eax ; CHECK: retl } define i32 @branch_slt(i64 %a, i64 %b) { entry: %cmp = icmp slt i64 %a, %b br i1 %cmp, label %bb1, label %bb2 bb1: ret i32 1 bb2: ret i32 2 ; CHECK-LABEL: branch_slt: ; CHECK: movl 4(%esp), [[LHSLo:%[a-z]+]] ; CHECK: movl 8(%esp), [[LHSHi:%[a-z]+]] ; CHECK: cmpl 12(%esp), [[LHSLo]] ; CHECK: sbbl 16(%esp), [[LHSHi]] ; CHECK: jge [[FALSE:.LBB[0-9_]+]] ; CHECK: movl $1, %eax ; CHECK: retl ; CHECK: [[FALSE]]: ; CHECK: movl $2, %eax ; CHECK: retl } define i32 @branch_ule(i64 %a, i64 %b) { entry: %cmp = icmp ule i64 %a, %b br i1 %cmp, label %bb1, label %bb2 bb1: ret i32 1 bb2: ret i32 2 ; CHECK-LABEL: branch_ule: ; CHECK: movl 12(%esp), [[RHSLo:%[a-z]+]] ; CHECK: movl 16(%esp), [[RHSHi:%[a-z]+]] ; CHECK: cmpl 4(%esp), [[RHSLo]] ; CHECK: sbbl 8(%esp), [[RHSHi]] ; CHECK: jb [[FALSE:.LBB[0-9_]+]] ; CHECK: movl $1, %eax ; CHECK: retl ; CHECK: [[FALSE]]: ; CHECK: movl $2, %eax ; CHECK: retl } define i32 @set_gt(i64 %a, i64 %b) { entry: %cmp = icmp sgt i64 %a, %b %res = select i1 %cmp, i32 1, i32 0 ret i32 %res ; CHECK-LABEL: set_gt: ; CHECK: movl 12(%esp), [[RHSLo:%[a-z]+]] ; CHECK: movl 16(%esp), [[RHSHi:%[a-z]+]] ; CHECK: cmpl 4(%esp), [[RHSLo]] ; CHECK: sbbl 8(%esp), [[RHSHi]] ; CHECK: setl %al ; CHECK: retl } define i32 @test_wide(i128 %a, i128 %b) { entry: %cmp = icmp slt i128 %a, %b br i1 %cmp, label %bb1, label %bb2 bb1: ret i32 1 bb2: ret i32 2 ; CHECK-LABEL: test_wide: ; CHECK: cmpl 24(%esp) ; CHECK: sbbl 28(%esp) ; CHECK: sbbl 32(%esp) ; CHECK: sbbl 36(%esp) ; CHECK: jge [[FALSE:.LBB[0-9_]+]] ; CHECK: movl $1, %eax ; CHECK: retl ; CHECK: [[FALSE]]: ; CHECK: movl $2, %eax ; CHECK: retl } define i32 @test_carry_false(i64 %a, i64 %b) { entry: %x = and i64 %a, -4294967296 ;0xffffffff00000000 %y = and i64 %b, -4294967296 %cmp = icmp slt i64 %x, %y br i1 %cmp, label %bb1, label %bb2 bb1: ret i32 1 bb2: ret i32 2 ; The comparison of the low bits will be folded to a CARRY_FALSE node. Make ; sure the code can handle that. ; CHECK-LABEL: carry_false: ; CHECK: movl 8(%esp), [[LHSHi:%[a-z]+]] ; CHECK: cmpl 16(%esp), [[LHSHi]] ; CHECK: jge [[FALSE:.LBB[0-9_]+]] ; CHECK: movl $1, %eax ; CHECK: retl ; CHECK: [[FALSE]]: ; CHECK: movl $2, %eax ; CHECK: retl }