1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5 2; RUN: opt < %s -passes=sccp -S | FileCheck %s 3 4define i32 @test1(i1 %C) { 5; CHECK-LABEL: define i32 @test1( 6; CHECK-SAME: i1 [[C:%.*]]) { 7; CHECK-NEXT: ret i32 0 8; 9 %X = select i1 %C, i32 0, i32 0 10 ret i32 %X 11} 12 13define i32 @test2(i1 %C) { 14; CHECK-LABEL: define i32 @test2( 15; CHECK-SAME: i1 [[C:%.*]]) { 16; CHECK-NEXT: ret i32 0 17; 18 %X = select i1 %C, i32 0, i32 undef 19 ret i32 %X 20} 21 22define i1 @f2(i32 %x, i1 %cmp) { 23; CHECK-LABEL: define i1 @f2( 24; CHECK-SAME: i32 [[X:%.*]], i1 [[CMP:%.*]]) { 25; CHECK-NEXT: [[SEL_1:%.*]] = select i1 [[CMP]], i32 [[X]], i32 10 26; CHECK-NEXT: [[C_1:%.*]] = icmp sgt i32 [[SEL_1]], 300 27; CHECK-NEXT: [[C_2:%.*]] = icmp sgt i32 [[SEL_1]], 100 28; CHECK-NEXT: [[C_3:%.*]] = icmp eq i32 [[SEL_1]], 50 29; CHECK-NEXT: [[C_4:%.*]] = icmp slt i32 [[SEL_1]], 9 30; CHECK-NEXT: [[RES_1:%.*]] = add i1 [[C_1]], [[C_2]] 31; CHECK-NEXT: [[RES_2:%.*]] = add i1 [[RES_1]], [[C_3]] 32; CHECK-NEXT: [[RES_3:%.*]] = add i1 [[RES_2]], [[C_4]] 33; CHECK-NEXT: ret i1 [[RES_3]] 34; 35 %sel.1 = select i1 %cmp, i32 %x, i32 10 36 %c.1 = icmp sgt i32 %sel.1, 300 37 %c.2 = icmp sgt i32 %sel.1, 100 38 %c.3 = icmp eq i32 %sel.1, 50 39 %c.4 = icmp slt i32 %sel.1, 9 40 %res.1 = add i1 %c.1, %c.2 41 %res.2 = add i1 %res.1, %c.3 42 %res.3 = add i1 %res.2, %c.4 43 ret i1 %res.3 44} 45