; RUN: llc < %s -mtriple=x86_64-linux-gnu -o - | FileCheck %s ; This test checks that only a single jae gets generated in the final code ; for lowering the CMOV pseudos that get created for this IR. The tricky part ; of this test is that it tests the special PHI operand rewriting code in ; X86TargetLowering::EmitLoweredSelect. ; ; CHECK-LABEL: foo1: ; CHECK: jae ; CHECK-NOT: jae define double @foo1(float %p1, double %p2, double %p3) nounwind { entry: %c1 = fcmp oge float %p1, 0.000000e+00 %d0 = fadd double %p2, 1.25e0 %d1 = fadd double %p3, 1.25e0 %d2 = select i1 %c1, double %d0, double %d1 %d3 = select i1 %c1, double %d2, double %p2 %d4 = select i1 %c1, double %d3, double %p3 %d5 = fsub double %d2, %d3 %d6 = fadd double %d5, %d4 ret double %d6 } ; This test checks that only a single jae gets generated in the final code ; for lowering the CMOV pseudos that get created for this IR. The tricky part ; of this test is that it tests the special PHI operand rewriting code in ; X86TargetLowering::EmitLoweredSelect. ; ; CHECK-LABEL: foo2: ; CHECK: jae ; CHECK-NOT: jae define double @foo2(float %p1, double %p2, double %p3) nounwind { entry: %c1 = fcmp oge float %p1, 0.000000e+00 %d0 = fadd double %p2, 1.25e0 %d1 = fadd double %p3, 1.25e0 %d2 = select i1 %c1, double %d0, double %d1 %d3 = select i1 %c1, double %p2, double %d2 %d4 = select i1 %c1, double %p3, double %d3 %d5 = fsub double %d2, %d3 %d6 = fadd double %d5, %d4 ret double %d6 } ; This test checks that only a single js gets generated in the final code ; for lowering the CMOV pseudos that get created for this IR. The tricky part ; of this test is that it tests the special PHI operand rewriting code in ; X86TargetLowering::EmitLoweredSelect. It also tests to make sure all ; the operands of the resulting instructions are from the proper places. ; ; CHECK-LABEL: foo3: ; CHECK: js ; CHECK-NOT: js ; CHECK-LABEL: # BB#1: ; CHECK-DAG: movapd %xmm2, %xmm1 ; CHECK-DAG: movapd %xmm2, %xmm0 ; CHECK-LABEL:.LBB2_2: ; CHECK: divsd %xmm1, %xmm0 ; CHECK: ret define double @foo3(i32 %p1, double %p2, double %p3, double %p4, double %p5) nounwind { entry: %c1 = icmp slt i32 %p1, 0 %d2 = select i1 %c1, double %p2, double %p3 %d3 = select i1 %c1, double %p3, double %p4 %d4 = select i1 %c1, double %d2, double %d3 %d5 = fdiv double %d4, %d3 ret double %d5 } ; This test checks that only a single js gets generated in the final code ; for lowering the CMOV pseudos that get created for this IR. The tricky part ; of this test is that it tests the special PHI operand rewriting code in ; X86TargetLowering::EmitLoweredSelect. It also tests to make sure all ; the operands of the resulting instructions are from the proper places ; when the "opposite condition" handling code in the compiler is used. ; This should be the same code as foo3 above, because we use the opposite ; condition code in the second two selects, but we also swap the operands ; of the selects to give the same actual computation. ; ; CHECK-LABEL: foo4: ; CHECK: js ; CHECK-NOT: js ; CHECK-LABEL: # BB#1: ; CHECK-DAG: movapd %xmm2, %xmm1 ; CHECK-DAG: movapd %xmm2, %xmm0 ; CHECK-LABEL:.LBB3_2: ; CHECK: divsd %xmm1, %xmm0 ; CHECK: ret define double @foo4(i32 %p1, double %p2, double %p3, double %p4, double %p5) nounwind { entry: %c1 = icmp slt i32 %p1, 0 %d2 = select i1 %c1, double %p2, double %p3 %c2 = icmp sge i32 %p1, 0 %d3 = select i1 %c2, double %p4, double %p3 %d4 = select i1 %c2, double %d3, double %d2 %d5 = fdiv double %d4, %d3 ret double %d5 }